PackageManagerService.java revision f477979bf9b8ecbaa366f0b600b0f2f2030c21ab
1/* 2 * Copyright (C) 2006 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.android.server.pm; 18 19import static android.Manifest.permission.READ_EXTERNAL_STORAGE; 20import static android.Manifest.permission.WRITE_EXTERNAL_STORAGE; 21import static android.Manifest.permission.WRITE_MEDIA_STORAGE; 22import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DEFAULT; 23import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED; 24import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED; 25import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_USER; 26import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_ENABLED; 27import static android.content.pm.PackageManager.DELETE_KEEP_DATA; 28import static android.content.pm.PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 29import static android.content.pm.PackageManager.FLAG_PERMISSION_POLICY_FIXED; 30import static android.content.pm.PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 31import static android.content.pm.PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE; 32import static android.content.pm.PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 33import static android.content.pm.PackageManager.FLAG_PERMISSION_USER_FIXED; 34import static android.content.pm.PackageManager.FLAG_PERMISSION_USER_SET; 35import static android.content.pm.PackageManager.INSTALL_EXTERNAL; 36import static android.content.pm.PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 37import static android.content.pm.PackageManager.INSTALL_FAILED_CONFLICTING_PROVIDER; 38import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 39import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION; 40import static android.content.pm.PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID; 41import static android.content.pm.PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 42import static android.content.pm.PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 43import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_APK; 44import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 45import static android.content.pm.PackageManager.INSTALL_FAILED_MISSING_SHARED_LIBRARY; 46import static android.content.pm.PackageManager.INSTALL_FAILED_PACKAGE_CHANGED; 47import static android.content.pm.PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 48import static android.content.pm.PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 49import static android.content.pm.PackageManager.INSTALL_FAILED_TEST_ONLY; 50import static android.content.pm.PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 51import static android.content.pm.PackageManager.INSTALL_FAILED_USER_RESTRICTED; 52import static android.content.pm.PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 53import static android.content.pm.PackageManager.INSTALL_FORWARD_LOCK; 54import static android.content.pm.PackageManager.INSTALL_INTERNAL; 55import static android.content.pm.PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 56import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 57import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK; 58import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 59import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER; 60import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 61import static android.content.pm.PackageManager.MATCH_ALL; 62import static android.content.pm.PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 63import static android.content.pm.PackageManager.MATCH_DIRECT_BOOT_AWARE; 64import static android.content.pm.PackageManager.MATCH_DIRECT_BOOT_UNAWARE; 65import static android.content.pm.PackageManager.MATCH_DISABLED_COMPONENTS; 66import static android.content.pm.PackageManager.MATCH_FACTORY_ONLY; 67import static android.content.pm.PackageManager.MATCH_SYSTEM_ONLY; 68import static android.content.pm.PackageManager.MATCH_UNINSTALLED_PACKAGES; 69import static android.content.pm.PackageManager.MOVE_FAILED_DEVICE_ADMIN; 70import static android.content.pm.PackageManager.MOVE_FAILED_DOESNT_EXIST; 71import static android.content.pm.PackageManager.MOVE_FAILED_INTERNAL_ERROR; 72import static android.content.pm.PackageManager.MOVE_FAILED_OPERATION_PENDING; 73import static android.content.pm.PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 74import static android.content.pm.PackageManager.PERMISSION_DENIED; 75import static android.content.pm.PackageManager.PERMISSION_GRANTED; 76import static android.content.pm.PackageParser.PARSE_IS_PRIVILEGED; 77import static android.content.pm.PackageParser.isApkFile; 78import static android.os.Trace.TRACE_TAG_PACKAGE_MANAGER; 79import static android.system.OsConstants.O_CREAT; 80import static android.system.OsConstants.O_RDWR; 81 82import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_MANAGED_PROFILE; 83import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_PARENT; 84import static com.android.internal.content.NativeLibraryHelper.LIB64_DIR_NAME; 85import static com.android.internal.content.NativeLibraryHelper.LIB_DIR_NAME; 86import static com.android.internal.util.ArrayUtils.appendInt; 87import static com.android.server.pm.Installer.DEXOPT_PUBLIC; 88import static com.android.server.pm.InstructionSets.getAppDexInstructionSets; 89import static com.android.server.pm.InstructionSets.getDexCodeInstructionSet; 90import static com.android.server.pm.InstructionSets.getDexCodeInstructionSets; 91import static com.android.server.pm.InstructionSets.getPreferredInstructionSet; 92import static com.android.server.pm.InstructionSets.getPrimaryInstructionSet; 93import static com.android.server.pm.PackageManagerServiceCompilerMapping.getCompilerFilterForReason; 94import static com.android.server.pm.PackageManagerServiceCompilerMapping.getFullCompilerFilter; 95import static com.android.server.pm.PackageManagerServiceCompilerMapping.getNonProfileGuidedCompilerFilter; 96import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_FAILURE; 97import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS; 98import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED; 99 100import android.Manifest; 101import android.annotation.NonNull; 102import android.annotation.Nullable; 103import android.app.ActivityManager; 104import android.app.ActivityManagerNative; 105import android.app.IActivityManager; 106import android.app.ResourcesManager; 107import android.app.admin.IDevicePolicyManager; 108import android.app.admin.SecurityLog; 109import android.app.backup.IBackupManager; 110import android.content.BroadcastReceiver; 111import android.content.ComponentName; 112import android.content.ContentResolver; 113import android.content.Context; 114import android.content.IIntentReceiver; 115import android.content.Intent; 116import android.content.IntentFilter; 117import android.content.IntentSender; 118import android.content.IntentSender.SendIntentException; 119import android.content.ServiceConnection; 120import android.content.pm.ActivityInfo; 121import android.content.pm.ApplicationInfo; 122import android.content.pm.AppsQueryHelper; 123import android.content.pm.ComponentInfo; 124import android.content.pm.EphemeralApplicationInfo; 125import android.content.pm.EphemeralResolveInfo; 126import android.content.pm.EphemeralResolveInfo.EphemeralDigest; 127import android.content.pm.EphemeralResolveInfo.EphemeralResolveIntentInfo; 128import android.content.pm.FeatureInfo; 129import android.content.pm.IOnPermissionsChangeListener; 130import android.content.pm.IPackageDataObserver; 131import android.content.pm.IPackageDeleteObserver; 132import android.content.pm.IPackageDeleteObserver2; 133import android.content.pm.IPackageInstallObserver2; 134import android.content.pm.IPackageInstaller; 135import android.content.pm.IPackageManager; 136import android.content.pm.IPackageMoveObserver; 137import android.content.pm.IPackageStatsObserver; 138import android.content.pm.InstrumentationInfo; 139import android.content.pm.IntentFilterVerificationInfo; 140import android.content.pm.KeySet; 141import android.content.pm.PackageCleanItem; 142import android.content.pm.PackageInfo; 143import android.content.pm.PackageInfoLite; 144import android.content.pm.PackageInstaller; 145import android.content.pm.PackageManager; 146import android.content.pm.PackageManager.LegacyPackageDeleteObserver; 147import android.content.pm.PackageManagerInternal; 148import android.content.pm.PackageParser; 149import android.content.pm.PackageParser.ActivityIntentInfo; 150import android.content.pm.PackageParser.PackageLite; 151import android.content.pm.PackageParser.PackageParserException; 152import android.content.pm.PackageStats; 153import android.content.pm.PackageUserState; 154import android.content.pm.ParceledListSlice; 155import android.content.pm.PermissionGroupInfo; 156import android.content.pm.PermissionInfo; 157import android.content.pm.ProviderInfo; 158import android.content.pm.ResolveInfo; 159import android.content.pm.ServiceInfo; 160import android.content.pm.Signature; 161import android.content.pm.UserInfo; 162import android.content.pm.VerifierDeviceIdentity; 163import android.content.pm.VerifierInfo; 164import android.content.res.Resources; 165import android.graphics.Bitmap; 166import android.hardware.display.DisplayManager; 167import android.net.Uri; 168import android.os.Binder; 169import android.os.Build; 170import android.os.Bundle; 171import android.os.Debug; 172import android.os.Environment; 173import android.os.Environment.UserEnvironment; 174import android.os.FileUtils; 175import android.os.Handler; 176import android.os.IBinder; 177import android.os.Looper; 178import android.os.Message; 179import android.os.Parcel; 180import android.os.ParcelFileDescriptor; 181import android.os.PatternMatcher; 182import android.os.Process; 183import android.os.RemoteCallbackList; 184import android.os.RemoteException; 185import android.os.ResultReceiver; 186import android.os.SELinux; 187import android.os.ServiceManager; 188import android.os.SystemClock; 189import android.os.SystemProperties; 190import android.os.Trace; 191import android.os.UserHandle; 192import android.os.UserManager; 193import android.os.UserManagerInternal; 194import android.os.storage.IMountService; 195import android.os.storage.MountServiceInternal; 196import android.os.storage.StorageEventListener; 197import android.os.storage.StorageManager; 198import android.os.storage.VolumeInfo; 199import android.os.storage.VolumeRecord; 200import android.provider.Settings.Global; 201import android.provider.Settings.Secure; 202import android.security.KeyStore; 203import android.security.SystemKeyStore; 204import android.system.ErrnoException; 205import android.system.Os; 206import android.text.TextUtils; 207import android.text.format.DateUtils; 208import android.util.ArrayMap; 209import android.util.ArraySet; 210import android.util.DisplayMetrics; 211import android.util.EventLog; 212import android.util.ExceptionUtils; 213import android.util.Log; 214import android.util.LogPrinter; 215import android.util.MathUtils; 216import android.util.Pair; 217import android.util.PrintStreamPrinter; 218import android.util.Slog; 219import android.util.SparseArray; 220import android.util.SparseBooleanArray; 221import android.util.SparseIntArray; 222import android.util.Xml; 223import android.util.jar.StrictJarFile; 224import android.view.Display; 225 226import com.android.internal.R; 227import com.android.internal.annotations.GuardedBy; 228import com.android.internal.app.IMediaContainerService; 229import com.android.internal.app.ResolverActivity; 230import com.android.internal.content.NativeLibraryHelper; 231import com.android.internal.content.PackageHelper; 232import com.android.internal.logging.MetricsLogger; 233import com.android.internal.os.IParcelFileDescriptorFactory; 234import com.android.internal.os.SomeArgs; 235import com.android.internal.os.Zygote; 236import com.android.internal.telephony.CarrierAppUtils; 237import com.android.internal.util.ArrayUtils; 238import com.android.internal.util.FastPrintWriter; 239import com.android.internal.util.FastXmlSerializer; 240import com.android.internal.util.IndentingPrintWriter; 241import com.android.internal.util.Preconditions; 242import com.android.internal.util.XmlUtils; 243import com.android.server.AttributeCache; 244import com.android.server.EventLogTags; 245import com.android.server.FgThread; 246import com.android.server.IntentResolver; 247import com.android.server.LocalServices; 248import com.android.server.ServiceThread; 249import com.android.server.SystemConfig; 250import com.android.server.Watchdog; 251import com.android.server.net.NetworkPolicyManagerInternal; 252import com.android.server.pm.Installer.InstallerException; 253import com.android.server.pm.PermissionsState.PermissionState; 254import com.android.server.pm.Settings.DatabaseVersion; 255import com.android.server.pm.Settings.VersionInfo; 256import com.android.server.pm.dex.DexManager; 257import com.android.server.storage.DeviceStorageMonitorInternal; 258 259import dalvik.system.CloseGuard; 260import dalvik.system.DexFile; 261import dalvik.system.VMRuntime; 262 263import libcore.io.IoUtils; 264import libcore.util.EmptyArray; 265 266import org.xmlpull.v1.XmlPullParser; 267import org.xmlpull.v1.XmlPullParserException; 268import org.xmlpull.v1.XmlSerializer; 269 270import java.io.BufferedOutputStream; 271import java.io.BufferedReader; 272import java.io.ByteArrayInputStream; 273import java.io.ByteArrayOutputStream; 274import java.io.File; 275import java.io.FileDescriptor; 276import java.io.FileInputStream; 277import java.io.FileNotFoundException; 278import java.io.FileOutputStream; 279import java.io.FileReader; 280import java.io.FilenameFilter; 281import java.io.IOException; 282import java.io.PrintWriter; 283import java.nio.charset.StandardCharsets; 284import java.security.DigestInputStream; 285import java.security.MessageDigest; 286import java.security.NoSuchAlgorithmException; 287import java.security.PublicKey; 288import java.security.cert.Certificate; 289import java.security.cert.CertificateEncodingException; 290import java.security.cert.CertificateException; 291import java.text.SimpleDateFormat; 292import java.util.ArrayList; 293import java.util.Arrays; 294import java.util.Collection; 295import java.util.Collections; 296import java.util.Comparator; 297import java.util.Date; 298import java.util.HashSet; 299import java.util.HashMap; 300import java.util.Iterator; 301import java.util.List; 302import java.util.Map; 303import java.util.Objects; 304import java.util.Set; 305import java.util.concurrent.CountDownLatch; 306import java.util.concurrent.TimeUnit; 307import java.util.concurrent.atomic.AtomicBoolean; 308import java.util.concurrent.atomic.AtomicInteger; 309 310/** 311 * Keep track of all those APKs everywhere. 312 * <p> 313 * Internally there are two important locks: 314 * <ul> 315 * <li>{@link #mPackages} is used to guard all in-memory parsed package details 316 * and other related state. It is a fine-grained lock that should only be held 317 * momentarily, as it's one of the most contended locks in the system. 318 * <li>{@link #mInstallLock} is used to guard all {@code installd} access, whose 319 * operations typically involve heavy lifting of application data on disk. Since 320 * {@code installd} is single-threaded, and it's operations can often be slow, 321 * this lock should never be acquired while already holding {@link #mPackages}. 322 * Conversely, it's safe to acquire {@link #mPackages} momentarily while already 323 * holding {@link #mInstallLock}. 324 * </ul> 325 * Many internal methods rely on the caller to hold the appropriate locks, and 326 * this contract is expressed through method name suffixes: 327 * <ul> 328 * <li>fooLI(): the caller must hold {@link #mInstallLock} 329 * <li>fooLIF(): the caller must hold {@link #mInstallLock} and the package 330 * being modified must be frozen 331 * <li>fooLPr(): the caller must hold {@link #mPackages} for reading 332 * <li>fooLPw(): the caller must hold {@link #mPackages} for writing 333 * </ul> 334 * <p> 335 * Because this class is very central to the platform's security; please run all 336 * CTS and unit tests whenever making modifications: 337 * 338 * <pre> 339 * $ runtest -c android.content.pm.PackageManagerTests frameworks-core 340 * $ cts-tradefed run commandAndExit cts -m AppSecurityTests 341 * </pre> 342 */ 343public class PackageManagerService extends IPackageManager.Stub { 344 static final String TAG = "PackageManager"; 345 static final boolean DEBUG_SETTINGS = false; 346 static final boolean DEBUG_PREFERRED = false; 347 static final boolean DEBUG_UPGRADE = false; 348 static final boolean DEBUG_DOMAIN_VERIFICATION = false; 349 private static final boolean DEBUG_BACKUP = false; 350 private static final boolean DEBUG_INSTALL = false; 351 private static final boolean DEBUG_REMOVE = false; 352 private static final boolean DEBUG_BROADCASTS = false; 353 private static final boolean DEBUG_SHOW_INFO = false; 354 private static final boolean DEBUG_PACKAGE_INFO = false; 355 private static final boolean DEBUG_INTENT_MATCHING = false; 356 private static final boolean DEBUG_PACKAGE_SCANNING = false; 357 private static final boolean DEBUG_VERIFY = false; 358 private static final boolean DEBUG_FILTERS = false; 359 360 // Debug output for dexopting. This is shared between PackageManagerService, OtaDexoptService 361 // and PackageDexOptimizer. All these classes have their own flag to allow switching a single 362 // user, but by default initialize to this. 363 static final boolean DEBUG_DEXOPT = false; 364 365 private static final boolean DEBUG_ABI_SELECTION = false; 366 private static final boolean DEBUG_EPHEMERAL = Build.IS_DEBUGGABLE; 367 private static final boolean DEBUG_TRIAGED_MISSING = false; 368 private static final boolean DEBUG_APP_DATA = false; 369 370 static final boolean CLEAR_RUNTIME_PERMISSIONS_ON_UPGRADE = false; 371 372 private static final boolean DISABLE_EPHEMERAL_APPS = false; 373 private static final boolean HIDE_EPHEMERAL_APIS = true; 374 375 private static final boolean ENABLE_QUOTA = 376 SystemProperties.getBoolean("persist.fw.quota", false); 377 378 private static final int RADIO_UID = Process.PHONE_UID; 379 private static final int LOG_UID = Process.LOG_UID; 380 private static final int NFC_UID = Process.NFC_UID; 381 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 382 private static final int SHELL_UID = Process.SHELL_UID; 383 384 // Cap the size of permission trees that 3rd party apps can define 385 private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; // characters of text 386 387 // Suffix used during package installation when copying/moving 388 // package apks to install directory. 389 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 390 391 static final int SCAN_NO_DEX = 1<<1; 392 static final int SCAN_FORCE_DEX = 1<<2; 393 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 394 static final int SCAN_NEW_INSTALL = 1<<4; 395 static final int SCAN_NO_PATHS = 1<<5; 396 static final int SCAN_UPDATE_TIME = 1<<6; 397 static final int SCAN_DEFER_DEX = 1<<7; 398 static final int SCAN_BOOTING = 1<<8; 399 static final int SCAN_TRUSTED_OVERLAY = 1<<9; 400 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<10; 401 static final int SCAN_REPLACING = 1<<11; 402 static final int SCAN_REQUIRE_KNOWN = 1<<12; 403 static final int SCAN_MOVE = 1<<13; 404 static final int SCAN_INITIAL = 1<<14; 405 static final int SCAN_CHECK_ONLY = 1<<15; 406 static final int SCAN_DONT_KILL_APP = 1<<17; 407 static final int SCAN_IGNORE_FROZEN = 1<<18; 408 409 static final int REMOVE_CHATTY = 1<<16; 410 411 private static final int[] EMPTY_INT_ARRAY = new int[0]; 412 413 /** 414 * Timeout (in milliseconds) after which the watchdog should declare that 415 * our handler thread is wedged. The usual default for such things is one 416 * minute but we sometimes do very lengthy I/O operations on this thread, 417 * such as installing multi-gigabyte applications, so ours needs to be longer. 418 */ 419 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 420 421 /** 422 * Wall-clock timeout (in milliseconds) after which we *require* that an fstrim 423 * be run on this device. We use the value in the Settings.Global.MANDATORY_FSTRIM_INTERVAL 424 * settings entry if available, otherwise we use the hardcoded default. If it's been 425 * more than this long since the last fstrim, we force one during the boot sequence. 426 * 427 * This backstops other fstrim scheduling: if the device is alive at midnight+idle, 428 * one gets run at the next available charging+idle time. This final mandatory 429 * no-fstrim check kicks in only of the other scheduling criteria is never met. 430 */ 431 private static final long DEFAULT_MANDATORY_FSTRIM_INTERVAL = 3 * DateUtils.DAY_IN_MILLIS; 432 433 /** 434 * Whether verification is enabled by default. 435 */ 436 private static final boolean DEFAULT_VERIFY_ENABLE = true; 437 438 /** 439 * The default maximum time to wait for the verification agent to return in 440 * milliseconds. 441 */ 442 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 443 444 /** 445 * The default response for package verification timeout. 446 * 447 * This can be either PackageManager.VERIFICATION_ALLOW or 448 * PackageManager.VERIFICATION_REJECT. 449 */ 450 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 451 452 static final String PLATFORM_PACKAGE_NAME = "android"; 453 454 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 455 456 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 457 DEFAULT_CONTAINER_PACKAGE, 458 "com.android.defcontainer.DefaultContainerService"); 459 460 private static final String KILL_APP_REASON_GIDS_CHANGED = 461 "permission grant or revoke changed gids"; 462 463 private static final String KILL_APP_REASON_PERMISSIONS_REVOKED = 464 "permissions revoked"; 465 466 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 467 468 private static final String PACKAGE_SCHEME = "package"; 469 470 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 471 /** 472 * If VENDOR_OVERLAY_SKU_PROPERTY is set, search for runtime resource overlay APKs in 473 * VENDOR_OVERLAY_DIR/<value of VENDOR_OVERLAY_SKU_PROPERTY> rather than in 474 * VENDOR_OVERLAY_DIR. 475 */ 476 private static final String VENDOR_OVERLAY_SKU_PROPERTY = "ro.boot.vendor.overlay.sku"; 477 478 private static int DEFAULT_EPHEMERAL_HASH_PREFIX_MASK = 0xFFFFF000; 479 private static int DEFAULT_EPHEMERAL_HASH_PREFIX_COUNT = 5; 480 481 /** Permission grant: not grant the permission. */ 482 private static final int GRANT_DENIED = 1; 483 484 /** Permission grant: grant the permission as an install permission. */ 485 private static final int GRANT_INSTALL = 2; 486 487 /** Permission grant: grant the permission as a runtime one. */ 488 private static final int GRANT_RUNTIME = 3; 489 490 /** Permission grant: grant as runtime a permission that was granted as an install time one. */ 491 private static final int GRANT_UPGRADE = 4; 492 493 /** Canonical intent used to identify what counts as a "web browser" app */ 494 private static final Intent sBrowserIntent; 495 static { 496 sBrowserIntent = new Intent(); 497 sBrowserIntent.setAction(Intent.ACTION_VIEW); 498 sBrowserIntent.addCategory(Intent.CATEGORY_BROWSABLE); 499 sBrowserIntent.setData(Uri.parse("http:")); 500 } 501 502 /** 503 * The set of all protected actions [i.e. those actions for which a high priority 504 * intent filter is disallowed]. 505 */ 506 private static final Set<String> PROTECTED_ACTIONS = new ArraySet<>(); 507 static { 508 PROTECTED_ACTIONS.add(Intent.ACTION_SEND); 509 PROTECTED_ACTIONS.add(Intent.ACTION_SENDTO); 510 PROTECTED_ACTIONS.add(Intent.ACTION_SEND_MULTIPLE); 511 PROTECTED_ACTIONS.add(Intent.ACTION_VIEW); 512 } 513 514 // Compilation reasons. 515 public static final int REASON_FIRST_BOOT = 0; 516 public static final int REASON_BOOT = 1; 517 public static final int REASON_INSTALL = 2; 518 public static final int REASON_BACKGROUND_DEXOPT = 3; 519 public static final int REASON_AB_OTA = 4; 520 public static final int REASON_NON_SYSTEM_LIBRARY = 5; 521 public static final int REASON_SHARED_APK = 6; 522 public static final int REASON_FORCED_DEXOPT = 7; 523 public static final int REASON_CORE_APP = 8; 524 525 public static final int REASON_LAST = REASON_CORE_APP; 526 527 /** Special library name that skips shared libraries check during compilation. */ 528 private static final String SKIP_SHARED_LIBRARY_CHECK = "&"; 529 530 final ServiceThread mHandlerThread; 531 532 final PackageHandler mHandler; 533 534 private final ProcessLoggingHandler mProcessLoggingHandler; 535 536 /** 537 * Messages for {@link #mHandler} that need to wait for system ready before 538 * being dispatched. 539 */ 540 private ArrayList<Message> mPostSystemReadyMessages; 541 542 final int mSdkVersion = Build.VERSION.SDK_INT; 543 544 final Context mContext; 545 final boolean mFactoryTest; 546 final boolean mOnlyCore; 547 final DisplayMetrics mMetrics; 548 final int mDefParseFlags; 549 final String[] mSeparateProcesses; 550 final boolean mIsUpgrade; 551 final boolean mIsPreNUpgrade; 552 final boolean mIsPreNMR1Upgrade; 553 554 @GuardedBy("mPackages") 555 private boolean mDexOptDialogShown; 556 557 /** The location for ASEC container files on internal storage. */ 558 final String mAsecInternalPath; 559 560 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 561 // LOCK HELD. Can be called with mInstallLock held. 562 @GuardedBy("mInstallLock") 563 final Installer mInstaller; 564 565 /** Directory where installed third-party apps stored */ 566 final File mAppInstallDir; 567 final File mEphemeralInstallDir; 568 569 /** 570 * Directory to which applications installed internally have their 571 * 32 bit native libraries copied. 572 */ 573 private File mAppLib32InstallDir; 574 575 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 576 // apps. 577 final File mDrmAppPrivateInstallDir; 578 579 // ---------------------------------------------------------------- 580 581 // Lock for state used when installing and doing other long running 582 // operations. Methods that must be called with this lock held have 583 // the suffix "LI". 584 final Object mInstallLock = new Object(); 585 586 // ---------------------------------------------------------------- 587 588 // Keys are String (package name), values are Package. This also serves 589 // as the lock for the global state. Methods that must be called with 590 // this lock held have the prefix "LP". 591 @GuardedBy("mPackages") 592 final ArrayMap<String, PackageParser.Package> mPackages = 593 new ArrayMap<String, PackageParser.Package>(); 594 595 final ArrayMap<String, Set<String>> mKnownCodebase = 596 new ArrayMap<String, Set<String>>(); 597 598 // Tracks available target package names -> overlay package paths. 599 final ArrayMap<String, ArrayMap<String, PackageParser.Package>> mOverlays = 600 new ArrayMap<String, ArrayMap<String, PackageParser.Package>>(); 601 602 /** 603 * Tracks new system packages [received in an OTA] that we expect to 604 * find updated user-installed versions. Keys are package name, values 605 * are package location. 606 */ 607 final private ArrayMap<String, File> mExpectingBetter = new ArrayMap<>(); 608 /** 609 * Tracks high priority intent filters for protected actions. During boot, certain 610 * filter actions are protected and should never be allowed to have a high priority 611 * intent filter for them. However, there is one, and only one exception -- the 612 * setup wizard. It must be able to define a high priority intent filter for these 613 * actions to ensure there are no escapes from the wizard. We need to delay processing 614 * of these during boot as we need to look at all of the system packages in order 615 * to know which component is the setup wizard. 616 */ 617 private final List<PackageParser.ActivityIntentInfo> mProtectedFilters = new ArrayList<>(); 618 /** 619 * Whether or not processing protected filters should be deferred. 620 */ 621 private boolean mDeferProtectedFilters = true; 622 623 /** 624 * Tracks existing system packages prior to receiving an OTA. Keys are package name. 625 */ 626 final private ArraySet<String> mExistingSystemPackages = new ArraySet<>(); 627 /** 628 * Whether or not system app permissions should be promoted from install to runtime. 629 */ 630 boolean mPromoteSystemApps; 631 632 @GuardedBy("mPackages") 633 final Settings mSettings; 634 635 /** 636 * Set of package names that are currently "frozen", which means active 637 * surgery is being done on the code/data for that package. The platform 638 * will refuse to launch frozen packages to avoid race conditions. 639 * 640 * @see PackageFreezer 641 */ 642 @GuardedBy("mPackages") 643 final ArraySet<String> mFrozenPackages = new ArraySet<>(); 644 645 final ProtectedPackages mProtectedPackages; 646 647 boolean mFirstBoot; 648 649 // System configuration read by SystemConfig. 650 final int[] mGlobalGids; 651 final SparseArray<ArraySet<String>> mSystemPermissions; 652 final ArrayMap<String, FeatureInfo> mAvailableFeatures; 653 654 // If mac_permissions.xml was found for seinfo labeling. 655 boolean mFoundPolicyFile; 656 657 private final EphemeralApplicationRegistry mEphemeralApplicationRegistry; 658 659 public static final class SharedLibraryEntry { 660 public final String path; 661 public final String apk; 662 663 SharedLibraryEntry(String _path, String _apk) { 664 path = _path; 665 apk = _apk; 666 } 667 } 668 669 // Currently known shared libraries. 670 final ArrayMap<String, SharedLibraryEntry> mSharedLibraries = 671 new ArrayMap<String, SharedLibraryEntry>(); 672 673 // All available activities, for your resolving pleasure. 674 final ActivityIntentResolver mActivities = 675 new ActivityIntentResolver(); 676 677 // All available receivers, for your resolving pleasure. 678 final ActivityIntentResolver mReceivers = 679 new ActivityIntentResolver(); 680 681 // All available services, for your resolving pleasure. 682 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 683 684 // All available providers, for your resolving pleasure. 685 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 686 687 // Mapping from provider base names (first directory in content URI codePath) 688 // to the provider information. 689 final ArrayMap<String, PackageParser.Provider> mProvidersByAuthority = 690 new ArrayMap<String, PackageParser.Provider>(); 691 692 // Mapping from instrumentation class names to info about them. 693 final ArrayMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 694 new ArrayMap<ComponentName, PackageParser.Instrumentation>(); 695 696 // Mapping from permission names to info about them. 697 final ArrayMap<String, PackageParser.PermissionGroup> mPermissionGroups = 698 new ArrayMap<String, PackageParser.PermissionGroup>(); 699 700 // Packages whose data we have transfered into another package, thus 701 // should no longer exist. 702 final ArraySet<String> mTransferedPackages = new ArraySet<String>(); 703 704 // Broadcast actions that are only available to the system. 705 final ArraySet<String> mProtectedBroadcasts = new ArraySet<String>(); 706 707 /** List of packages waiting for verification. */ 708 final SparseArray<PackageVerificationState> mPendingVerification 709 = new SparseArray<PackageVerificationState>(); 710 711 /** Set of packages associated with each app op permission. */ 712 final ArrayMap<String, ArraySet<String>> mAppOpPermissionPackages = new ArrayMap<>(); 713 714 final PackageInstallerService mInstallerService; 715 716 private final PackageDexOptimizer mPackageDexOptimizer; 717 // DexManager handles the usage of dex files (e.g. secondary files, whether or not a package 718 // is used by other apps). 719 private final DexManager mDexManager; 720 721 private AtomicInteger mNextMoveId = new AtomicInteger(); 722 private final MoveCallbacks mMoveCallbacks; 723 724 private final OnPermissionChangeListeners mOnPermissionChangeListeners; 725 726 // Cache of users who need badging. 727 SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray(); 728 729 /** Token for keys in mPendingVerification. */ 730 private int mPendingVerificationToken = 0; 731 732 volatile boolean mSystemReady; 733 volatile boolean mSafeMode; 734 volatile boolean mHasSystemUidErrors; 735 736 ApplicationInfo mAndroidApplication; 737 final ActivityInfo mResolveActivity = new ActivityInfo(); 738 final ResolveInfo mResolveInfo = new ResolveInfo(); 739 ComponentName mResolveComponentName; 740 PackageParser.Package mPlatformPackage; 741 ComponentName mCustomResolverComponentName; 742 743 boolean mResolverReplaced = false; 744 745 private final @Nullable ComponentName mIntentFilterVerifierComponent; 746 private final @Nullable IntentFilterVerifier<ActivityIntentInfo> mIntentFilterVerifier; 747 748 private int mIntentFilterVerificationToken = 0; 749 750 /** Component that knows whether or not an ephemeral application exists */ 751 final ComponentName mEphemeralResolverComponent; 752 /** The service connection to the ephemeral resolver */ 753 final EphemeralResolverConnection mEphemeralResolverConnection; 754 755 /** Component used to install ephemeral applications */ 756 final ComponentName mEphemeralInstallerComponent; 757 final ActivityInfo mEphemeralInstallerActivity = new ActivityInfo(); 758 final ResolveInfo mEphemeralInstallerInfo = new ResolveInfo(); 759 760 final SparseArray<IntentFilterVerificationState> mIntentFilterVerificationStates 761 = new SparseArray<IntentFilterVerificationState>(); 762 763 final DefaultPermissionGrantPolicy mDefaultPermissionPolicy; 764 765 // List of packages names to keep cached, even if they are uninstalled for all users 766 private List<String> mKeepUninstalledPackages; 767 768 private UserManagerInternal mUserManagerInternal; 769 770 private static class IFVerificationParams { 771 PackageParser.Package pkg; 772 boolean replacing; 773 int userId; 774 int verifierUid; 775 776 public IFVerificationParams(PackageParser.Package _pkg, boolean _replacing, 777 int _userId, int _verifierUid) { 778 pkg = _pkg; 779 replacing = _replacing; 780 userId = _userId; 781 replacing = _replacing; 782 verifierUid = _verifierUid; 783 } 784 } 785 786 private interface IntentFilterVerifier<T extends IntentFilter> { 787 boolean addOneIntentFilterVerification(int verifierId, int userId, int verificationId, 788 T filter, String packageName); 789 void startVerifications(int userId); 790 void receiveVerificationResponse(int verificationId); 791 } 792 793 private class IntentVerifierProxy implements IntentFilterVerifier<ActivityIntentInfo> { 794 private Context mContext; 795 private ComponentName mIntentFilterVerifierComponent; 796 private ArrayList<Integer> mCurrentIntentFilterVerifications = new ArrayList<Integer>(); 797 798 public IntentVerifierProxy(Context context, ComponentName verifierComponent) { 799 mContext = context; 800 mIntentFilterVerifierComponent = verifierComponent; 801 } 802 803 private String getDefaultScheme() { 804 return IntentFilter.SCHEME_HTTPS; 805 } 806 807 @Override 808 public void startVerifications(int userId) { 809 // Launch verifications requests 810 int count = mCurrentIntentFilterVerifications.size(); 811 for (int n=0; n<count; n++) { 812 int verificationId = mCurrentIntentFilterVerifications.get(n); 813 final IntentFilterVerificationState ivs = 814 mIntentFilterVerificationStates.get(verificationId); 815 816 String packageName = ivs.getPackageName(); 817 818 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 819 final int filterCount = filters.size(); 820 ArraySet<String> domainsSet = new ArraySet<>(); 821 for (int m=0; m<filterCount; m++) { 822 PackageParser.ActivityIntentInfo filter = filters.get(m); 823 domainsSet.addAll(filter.getHostsList()); 824 } 825 ArrayList<String> domainsList = new ArrayList<>(domainsSet); 826 synchronized (mPackages) { 827 if (mSettings.createIntentFilterVerificationIfNeededLPw( 828 packageName, domainsList) != null) { 829 scheduleWriteSettingsLocked(); 830 } 831 } 832 sendVerificationRequest(userId, verificationId, ivs); 833 } 834 mCurrentIntentFilterVerifications.clear(); 835 } 836 837 private void sendVerificationRequest(int userId, int verificationId, 838 IntentFilterVerificationState ivs) { 839 840 Intent verificationIntent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 841 verificationIntent.putExtra( 842 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_ID, 843 verificationId); 844 verificationIntent.putExtra( 845 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_URI_SCHEME, 846 getDefaultScheme()); 847 verificationIntent.putExtra( 848 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_HOSTS, 849 ivs.getHostsString()); 850 verificationIntent.putExtra( 851 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_PACKAGE_NAME, 852 ivs.getPackageName()); 853 verificationIntent.setComponent(mIntentFilterVerifierComponent); 854 verificationIntent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 855 856 UserHandle user = new UserHandle(userId); 857 mContext.sendBroadcastAsUser(verificationIntent, user); 858 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 859 "Sending IntentFilter verification broadcast"); 860 } 861 862 public void receiveVerificationResponse(int verificationId) { 863 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 864 865 final boolean verified = ivs.isVerified(); 866 867 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 868 final int count = filters.size(); 869 if (DEBUG_DOMAIN_VERIFICATION) { 870 Slog.i(TAG, "Received verification response " + verificationId 871 + " for " + count + " filters, verified=" + verified); 872 } 873 for (int n=0; n<count; n++) { 874 PackageParser.ActivityIntentInfo filter = filters.get(n); 875 filter.setVerified(verified); 876 877 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "IntentFilter " + filter.toString() 878 + " verified with result:" + verified + " and hosts:" 879 + ivs.getHostsString()); 880 } 881 882 mIntentFilterVerificationStates.remove(verificationId); 883 884 final String packageName = ivs.getPackageName(); 885 IntentFilterVerificationInfo ivi = null; 886 887 synchronized (mPackages) { 888 ivi = mSettings.getIntentFilterVerificationLPr(packageName); 889 } 890 if (ivi == null) { 891 Slog.w(TAG, "IntentFilterVerificationInfo not found for verificationId:" 892 + verificationId + " packageName:" + packageName); 893 return; 894 } 895 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 896 "Updating IntentFilterVerificationInfo for package " + packageName 897 +" verificationId:" + verificationId); 898 899 synchronized (mPackages) { 900 if (verified) { 901 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS); 902 } else { 903 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK); 904 } 905 scheduleWriteSettingsLocked(); 906 907 final int userId = ivs.getUserId(); 908 if (userId != UserHandle.USER_ALL) { 909 final int userStatus = 910 mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 911 912 int updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 913 boolean needUpdate = false; 914 915 // We cannot override the STATUS_ALWAYS / STATUS_NEVER states if they have 916 // already been set by the User thru the Disambiguation dialog 917 switch (userStatus) { 918 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 919 if (verified) { 920 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 921 } else { 922 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 923 } 924 needUpdate = true; 925 break; 926 927 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 928 if (verified) { 929 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 930 needUpdate = true; 931 } 932 break; 933 934 default: 935 // Nothing to do 936 } 937 938 if (needUpdate) { 939 mSettings.updateIntentFilterVerificationStatusLPw( 940 packageName, updatedStatus, userId); 941 scheduleWritePackageRestrictionsLocked(userId); 942 } 943 } 944 } 945 } 946 947 @Override 948 public boolean addOneIntentFilterVerification(int verifierUid, int userId, int verificationId, 949 ActivityIntentInfo filter, String packageName) { 950 if (!hasValidDomains(filter)) { 951 return false; 952 } 953 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 954 if (ivs == null) { 955 ivs = createDomainVerificationState(verifierUid, userId, verificationId, 956 packageName); 957 } 958 if (DEBUG_DOMAIN_VERIFICATION) { 959 Slog.d(TAG, "Adding verification filter for " + packageName + ": " + filter); 960 } 961 ivs.addFilter(filter); 962 return true; 963 } 964 965 private IntentFilterVerificationState createDomainVerificationState(int verifierUid, 966 int userId, int verificationId, String packageName) { 967 IntentFilterVerificationState ivs = new IntentFilterVerificationState( 968 verifierUid, userId, packageName); 969 ivs.setPendingState(); 970 synchronized (mPackages) { 971 mIntentFilterVerificationStates.append(verificationId, ivs); 972 mCurrentIntentFilterVerifications.add(verificationId); 973 } 974 return ivs; 975 } 976 } 977 978 private static boolean hasValidDomains(ActivityIntentInfo filter) { 979 return filter.hasCategory(Intent.CATEGORY_BROWSABLE) 980 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 981 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS)); 982 } 983 984 // Set of pending broadcasts for aggregating enable/disable of components. 985 static class PendingPackageBroadcasts { 986 // for each user id, a map of <package name -> components within that package> 987 final SparseArray<ArrayMap<String, ArrayList<String>>> mUidMap; 988 989 public PendingPackageBroadcasts() { 990 mUidMap = new SparseArray<ArrayMap<String, ArrayList<String>>>(2); 991 } 992 993 public ArrayList<String> get(int userId, String packageName) { 994 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 995 return packages.get(packageName); 996 } 997 998 public void put(int userId, String packageName, ArrayList<String> components) { 999 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 1000 packages.put(packageName, components); 1001 } 1002 1003 public void remove(int userId, String packageName) { 1004 ArrayMap<String, ArrayList<String>> packages = mUidMap.get(userId); 1005 if (packages != null) { 1006 packages.remove(packageName); 1007 } 1008 } 1009 1010 public void remove(int userId) { 1011 mUidMap.remove(userId); 1012 } 1013 1014 public int userIdCount() { 1015 return mUidMap.size(); 1016 } 1017 1018 public int userIdAt(int n) { 1019 return mUidMap.keyAt(n); 1020 } 1021 1022 public ArrayMap<String, ArrayList<String>> packagesForUserId(int userId) { 1023 return mUidMap.get(userId); 1024 } 1025 1026 public int size() { 1027 // total number of pending broadcast entries across all userIds 1028 int num = 0; 1029 for (int i = 0; i< mUidMap.size(); i++) { 1030 num += mUidMap.valueAt(i).size(); 1031 } 1032 return num; 1033 } 1034 1035 public void clear() { 1036 mUidMap.clear(); 1037 } 1038 1039 private ArrayMap<String, ArrayList<String>> getOrAllocate(int userId) { 1040 ArrayMap<String, ArrayList<String>> map = mUidMap.get(userId); 1041 if (map == null) { 1042 map = new ArrayMap<String, ArrayList<String>>(); 1043 mUidMap.put(userId, map); 1044 } 1045 return map; 1046 } 1047 } 1048 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 1049 1050 // Service Connection to remote media container service to copy 1051 // package uri's from external media onto secure containers 1052 // or internal storage. 1053 private IMediaContainerService mContainerService = null; 1054 1055 static final int SEND_PENDING_BROADCAST = 1; 1056 static final int MCS_BOUND = 3; 1057 static final int END_COPY = 4; 1058 static final int INIT_COPY = 5; 1059 static final int MCS_UNBIND = 6; 1060 static final int START_CLEANING_PACKAGE = 7; 1061 static final int FIND_INSTALL_LOC = 8; 1062 static final int POST_INSTALL = 9; 1063 static final int MCS_RECONNECT = 10; 1064 static final int MCS_GIVE_UP = 11; 1065 static final int UPDATED_MEDIA_STATUS = 12; 1066 static final int WRITE_SETTINGS = 13; 1067 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 1068 static final int PACKAGE_VERIFIED = 15; 1069 static final int CHECK_PENDING_VERIFICATION = 16; 1070 static final int START_INTENT_FILTER_VERIFICATIONS = 17; 1071 static final int INTENT_FILTER_VERIFIED = 18; 1072 static final int WRITE_PACKAGE_LIST = 19; 1073 1074 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 1075 1076 // Delay time in millisecs 1077 static final int BROADCAST_DELAY = 10 * 1000; 1078 1079 static UserManagerService sUserManager; 1080 1081 // Stores a list of users whose package restrictions file needs to be updated 1082 private ArraySet<Integer> mDirtyUsers = new ArraySet<Integer>(); 1083 1084 final private DefaultContainerConnection mDefContainerConn = 1085 new DefaultContainerConnection(); 1086 class DefaultContainerConnection implements ServiceConnection { 1087 public void onServiceConnected(ComponentName name, IBinder service) { 1088 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 1089 IMediaContainerService imcs = 1090 IMediaContainerService.Stub.asInterface(service); 1091 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 1092 } 1093 1094 public void onServiceDisconnected(ComponentName name) { 1095 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 1096 } 1097 } 1098 1099 // Recordkeeping of restore-after-install operations that are currently in flight 1100 // between the Package Manager and the Backup Manager 1101 static class PostInstallData { 1102 public InstallArgs args; 1103 public PackageInstalledInfo res; 1104 1105 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 1106 args = _a; 1107 res = _r; 1108 } 1109 } 1110 1111 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 1112 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 1113 1114 // XML tags for backup/restore of various bits of state 1115 private static final String TAG_PREFERRED_BACKUP = "pa"; 1116 private static final String TAG_DEFAULT_APPS = "da"; 1117 private static final String TAG_INTENT_FILTER_VERIFICATION = "iv"; 1118 1119 private static final String TAG_PERMISSION_BACKUP = "perm-grant-backup"; 1120 private static final String TAG_ALL_GRANTS = "rt-grants"; 1121 private static final String TAG_GRANT = "grant"; 1122 private static final String ATTR_PACKAGE_NAME = "pkg"; 1123 1124 private static final String TAG_PERMISSION = "perm"; 1125 private static final String ATTR_PERMISSION_NAME = "name"; 1126 private static final String ATTR_IS_GRANTED = "g"; 1127 private static final String ATTR_USER_SET = "set"; 1128 private static final String ATTR_USER_FIXED = "fixed"; 1129 private static final String ATTR_REVOKE_ON_UPGRADE = "rou"; 1130 1131 // System/policy permission grants are not backed up 1132 private static final int SYSTEM_RUNTIME_GRANT_MASK = 1133 FLAG_PERMISSION_POLICY_FIXED 1134 | FLAG_PERMISSION_SYSTEM_FIXED 1135 | FLAG_PERMISSION_GRANTED_BY_DEFAULT; 1136 1137 // And we back up these user-adjusted states 1138 private static final int USER_RUNTIME_GRANT_MASK = 1139 FLAG_PERMISSION_USER_SET 1140 | FLAG_PERMISSION_USER_FIXED 1141 | FLAG_PERMISSION_REVOKE_ON_UPGRADE; 1142 1143 final @Nullable String mRequiredVerifierPackage; 1144 final @NonNull String mRequiredInstallerPackage; 1145 final @NonNull String mRequiredUninstallerPackage; 1146 final @Nullable String mSetupWizardPackage; 1147 final @Nullable String mStorageManagerPackage; 1148 final @NonNull String mServicesSystemSharedLibraryPackageName; 1149 final @NonNull String mSharedSystemSharedLibraryPackageName; 1150 1151 final boolean mPermissionReviewRequired; 1152 1153 private final PackageUsage mPackageUsage = new PackageUsage(); 1154 private final CompilerStats mCompilerStats = new CompilerStats(); 1155 1156 class PackageHandler extends Handler { 1157 private boolean mBound = false; 1158 final ArrayList<HandlerParams> mPendingInstalls = 1159 new ArrayList<HandlerParams>(); 1160 1161 private boolean connectToService() { 1162 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 1163 " DefaultContainerService"); 1164 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 1165 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1166 if (mContext.bindServiceAsUser(service, mDefContainerConn, 1167 Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 1168 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1169 mBound = true; 1170 return true; 1171 } 1172 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1173 return false; 1174 } 1175 1176 private void disconnectService() { 1177 mContainerService = null; 1178 mBound = false; 1179 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1180 mContext.unbindService(mDefContainerConn); 1181 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1182 } 1183 1184 PackageHandler(Looper looper) { 1185 super(looper); 1186 } 1187 1188 public void handleMessage(Message msg) { 1189 try { 1190 doHandleMessage(msg); 1191 } finally { 1192 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1193 } 1194 } 1195 1196 void doHandleMessage(Message msg) { 1197 switch (msg.what) { 1198 case INIT_COPY: { 1199 HandlerParams params = (HandlerParams) msg.obj; 1200 int idx = mPendingInstalls.size(); 1201 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 1202 // If a bind was already initiated we dont really 1203 // need to do anything. The pending install 1204 // will be processed later on. 1205 if (!mBound) { 1206 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1207 System.identityHashCode(mHandler)); 1208 // If this is the only one pending we might 1209 // have to bind to the service again. 1210 if (!connectToService()) { 1211 Slog.e(TAG, "Failed to bind to media container service"); 1212 params.serviceError(); 1213 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1214 System.identityHashCode(mHandler)); 1215 if (params.traceMethod != null) { 1216 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, params.traceMethod, 1217 params.traceCookie); 1218 } 1219 return; 1220 } else { 1221 // Once we bind to the service, the first 1222 // pending request will be processed. 1223 mPendingInstalls.add(idx, params); 1224 } 1225 } else { 1226 mPendingInstalls.add(idx, params); 1227 // Already bound to the service. Just make 1228 // sure we trigger off processing the first request. 1229 if (idx == 0) { 1230 mHandler.sendEmptyMessage(MCS_BOUND); 1231 } 1232 } 1233 break; 1234 } 1235 case MCS_BOUND: { 1236 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 1237 if (msg.obj != null) { 1238 mContainerService = (IMediaContainerService) msg.obj; 1239 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1240 System.identityHashCode(mHandler)); 1241 } 1242 if (mContainerService == null) { 1243 if (!mBound) { 1244 // Something seriously wrong since we are not bound and we are not 1245 // waiting for connection. Bail out. 1246 Slog.e(TAG, "Cannot bind to media container service"); 1247 for (HandlerParams params : mPendingInstalls) { 1248 // Indicate service bind error 1249 params.serviceError(); 1250 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1251 System.identityHashCode(params)); 1252 if (params.traceMethod != null) { 1253 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, 1254 params.traceMethod, params.traceCookie); 1255 } 1256 return; 1257 } 1258 mPendingInstalls.clear(); 1259 } else { 1260 Slog.w(TAG, "Waiting to connect to media container service"); 1261 } 1262 } else if (mPendingInstalls.size() > 0) { 1263 HandlerParams params = mPendingInstalls.get(0); 1264 if (params != null) { 1265 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1266 System.identityHashCode(params)); 1267 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "startCopy"); 1268 if (params.startCopy()) { 1269 // We are done... look for more work or to 1270 // go idle. 1271 if (DEBUG_SD_INSTALL) Log.i(TAG, 1272 "Checking for more work or unbind..."); 1273 // Delete pending install 1274 if (mPendingInstalls.size() > 0) { 1275 mPendingInstalls.remove(0); 1276 } 1277 if (mPendingInstalls.size() == 0) { 1278 if (mBound) { 1279 if (DEBUG_SD_INSTALL) Log.i(TAG, 1280 "Posting delayed MCS_UNBIND"); 1281 removeMessages(MCS_UNBIND); 1282 Message ubmsg = obtainMessage(MCS_UNBIND); 1283 // Unbind after a little delay, to avoid 1284 // continual thrashing. 1285 sendMessageDelayed(ubmsg, 10000); 1286 } 1287 } else { 1288 // There are more pending requests in queue. 1289 // Just post MCS_BOUND message to trigger processing 1290 // of next pending install. 1291 if (DEBUG_SD_INSTALL) Log.i(TAG, 1292 "Posting MCS_BOUND for next work"); 1293 mHandler.sendEmptyMessage(MCS_BOUND); 1294 } 1295 } 1296 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 1297 } 1298 } else { 1299 // Should never happen ideally. 1300 Slog.w(TAG, "Empty queue"); 1301 } 1302 break; 1303 } 1304 case MCS_RECONNECT: { 1305 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 1306 if (mPendingInstalls.size() > 0) { 1307 if (mBound) { 1308 disconnectService(); 1309 } 1310 if (!connectToService()) { 1311 Slog.e(TAG, "Failed to bind to media container service"); 1312 for (HandlerParams params : mPendingInstalls) { 1313 // Indicate service bind error 1314 params.serviceError(); 1315 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1316 System.identityHashCode(params)); 1317 } 1318 mPendingInstalls.clear(); 1319 } 1320 } 1321 break; 1322 } 1323 case MCS_UNBIND: { 1324 // If there is no actual work left, then time to unbind. 1325 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 1326 1327 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 1328 if (mBound) { 1329 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 1330 1331 disconnectService(); 1332 } 1333 } else if (mPendingInstalls.size() > 0) { 1334 // There are more pending requests in queue. 1335 // Just post MCS_BOUND message to trigger processing 1336 // of next pending install. 1337 mHandler.sendEmptyMessage(MCS_BOUND); 1338 } 1339 1340 break; 1341 } 1342 case MCS_GIVE_UP: { 1343 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 1344 HandlerParams params = mPendingInstalls.remove(0); 1345 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1346 System.identityHashCode(params)); 1347 break; 1348 } 1349 case SEND_PENDING_BROADCAST: { 1350 String packages[]; 1351 ArrayList<String> components[]; 1352 int size = 0; 1353 int uids[]; 1354 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1355 synchronized (mPackages) { 1356 if (mPendingBroadcasts == null) { 1357 return; 1358 } 1359 size = mPendingBroadcasts.size(); 1360 if (size <= 0) { 1361 // Nothing to be done. Just return 1362 return; 1363 } 1364 packages = new String[size]; 1365 components = new ArrayList[size]; 1366 uids = new int[size]; 1367 int i = 0; // filling out the above arrays 1368 1369 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 1370 int packageUserId = mPendingBroadcasts.userIdAt(n); 1371 Iterator<Map.Entry<String, ArrayList<String>>> it 1372 = mPendingBroadcasts.packagesForUserId(packageUserId) 1373 .entrySet().iterator(); 1374 while (it.hasNext() && i < size) { 1375 Map.Entry<String, ArrayList<String>> ent = it.next(); 1376 packages[i] = ent.getKey(); 1377 components[i] = ent.getValue(); 1378 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 1379 uids[i] = (ps != null) 1380 ? UserHandle.getUid(packageUserId, ps.appId) 1381 : -1; 1382 i++; 1383 } 1384 } 1385 size = i; 1386 mPendingBroadcasts.clear(); 1387 } 1388 // Send broadcasts 1389 for (int i = 0; i < size; i++) { 1390 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 1391 } 1392 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1393 break; 1394 } 1395 case START_CLEANING_PACKAGE: { 1396 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1397 final String packageName = (String)msg.obj; 1398 final int userId = msg.arg1; 1399 final boolean andCode = msg.arg2 != 0; 1400 synchronized (mPackages) { 1401 if (userId == UserHandle.USER_ALL) { 1402 int[] users = sUserManager.getUserIds(); 1403 for (int user : users) { 1404 mSettings.addPackageToCleanLPw( 1405 new PackageCleanItem(user, packageName, andCode)); 1406 } 1407 } else { 1408 mSettings.addPackageToCleanLPw( 1409 new PackageCleanItem(userId, packageName, andCode)); 1410 } 1411 } 1412 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1413 startCleaningPackages(); 1414 } break; 1415 case POST_INSTALL: { 1416 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 1417 1418 PostInstallData data = mRunningInstalls.get(msg.arg1); 1419 final boolean didRestore = (msg.arg2 != 0); 1420 mRunningInstalls.delete(msg.arg1); 1421 1422 if (data != null) { 1423 InstallArgs args = data.args; 1424 PackageInstalledInfo parentRes = data.res; 1425 1426 final boolean grantPermissions = (args.installFlags 1427 & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0; 1428 final boolean killApp = (args.installFlags 1429 & PackageManager.INSTALL_DONT_KILL_APP) == 0; 1430 final String[] grantedPermissions = args.installGrantPermissions; 1431 1432 // Handle the parent package 1433 handlePackagePostInstall(parentRes, grantPermissions, killApp, 1434 grantedPermissions, didRestore, args.installerPackageName, 1435 args.observer); 1436 1437 // Handle the child packages 1438 final int childCount = (parentRes.addedChildPackages != null) 1439 ? parentRes.addedChildPackages.size() : 0; 1440 for (int i = 0; i < childCount; i++) { 1441 PackageInstalledInfo childRes = parentRes.addedChildPackages.valueAt(i); 1442 handlePackagePostInstall(childRes, grantPermissions, killApp, 1443 grantedPermissions, false, args.installerPackageName, 1444 args.observer); 1445 } 1446 1447 // Log tracing if needed 1448 if (args.traceMethod != null) { 1449 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, args.traceMethod, 1450 args.traceCookie); 1451 } 1452 } else { 1453 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1454 } 1455 1456 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "postInstall", msg.arg1); 1457 } break; 1458 case UPDATED_MEDIA_STATUS: { 1459 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1460 boolean reportStatus = msg.arg1 == 1; 1461 boolean doGc = msg.arg2 == 1; 1462 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1463 if (doGc) { 1464 // Force a gc to clear up stale containers. 1465 Runtime.getRuntime().gc(); 1466 } 1467 if (msg.obj != null) { 1468 @SuppressWarnings("unchecked") 1469 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1470 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1471 // Unload containers 1472 unloadAllContainers(args); 1473 } 1474 if (reportStatus) { 1475 try { 1476 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 1477 PackageHelper.getMountService().finishMediaUpdate(); 1478 } catch (RemoteException e) { 1479 Log.e(TAG, "MountService not running?"); 1480 } 1481 } 1482 } break; 1483 case WRITE_SETTINGS: { 1484 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1485 synchronized (mPackages) { 1486 removeMessages(WRITE_SETTINGS); 1487 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1488 mSettings.writeLPr(); 1489 mDirtyUsers.clear(); 1490 } 1491 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1492 } break; 1493 case WRITE_PACKAGE_RESTRICTIONS: { 1494 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1495 synchronized (mPackages) { 1496 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1497 for (int userId : mDirtyUsers) { 1498 mSettings.writePackageRestrictionsLPr(userId); 1499 } 1500 mDirtyUsers.clear(); 1501 } 1502 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1503 } break; 1504 case WRITE_PACKAGE_LIST: { 1505 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1506 synchronized (mPackages) { 1507 removeMessages(WRITE_PACKAGE_LIST); 1508 mSettings.writePackageListLPr(msg.arg1); 1509 } 1510 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1511 } break; 1512 case CHECK_PENDING_VERIFICATION: { 1513 final int verificationId = msg.arg1; 1514 final PackageVerificationState state = mPendingVerification.get(verificationId); 1515 1516 if ((state != null) && !state.timeoutExtended()) { 1517 final InstallArgs args = state.getInstallArgs(); 1518 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1519 1520 Slog.i(TAG, "Verification timed out for " + originUri); 1521 mPendingVerification.remove(verificationId); 1522 1523 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1524 1525 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1526 Slog.i(TAG, "Continuing with installation of " + originUri); 1527 state.setVerifierResponse(Binder.getCallingUid(), 1528 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1529 broadcastPackageVerified(verificationId, originUri, 1530 PackageManager.VERIFICATION_ALLOW, 1531 state.getInstallArgs().getUser()); 1532 try { 1533 ret = args.copyApk(mContainerService, true); 1534 } catch (RemoteException e) { 1535 Slog.e(TAG, "Could not contact the ContainerService"); 1536 } 1537 } else { 1538 broadcastPackageVerified(verificationId, originUri, 1539 PackageManager.VERIFICATION_REJECT, 1540 state.getInstallArgs().getUser()); 1541 } 1542 1543 Trace.asyncTraceEnd( 1544 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1545 1546 processPendingInstall(args, ret); 1547 mHandler.sendEmptyMessage(MCS_UNBIND); 1548 } 1549 break; 1550 } 1551 case PACKAGE_VERIFIED: { 1552 final int verificationId = msg.arg1; 1553 1554 final PackageVerificationState state = mPendingVerification.get(verificationId); 1555 if (state == null) { 1556 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1557 break; 1558 } 1559 1560 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1561 1562 state.setVerifierResponse(response.callerUid, response.code); 1563 1564 if (state.isVerificationComplete()) { 1565 mPendingVerification.remove(verificationId); 1566 1567 final InstallArgs args = state.getInstallArgs(); 1568 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1569 1570 int ret; 1571 if (state.isInstallAllowed()) { 1572 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1573 broadcastPackageVerified(verificationId, originUri, 1574 response.code, state.getInstallArgs().getUser()); 1575 try { 1576 ret = args.copyApk(mContainerService, true); 1577 } catch (RemoteException e) { 1578 Slog.e(TAG, "Could not contact the ContainerService"); 1579 } 1580 } else { 1581 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1582 } 1583 1584 Trace.asyncTraceEnd( 1585 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1586 1587 processPendingInstall(args, ret); 1588 mHandler.sendEmptyMessage(MCS_UNBIND); 1589 } 1590 1591 break; 1592 } 1593 case START_INTENT_FILTER_VERIFICATIONS: { 1594 IFVerificationParams params = (IFVerificationParams) msg.obj; 1595 verifyIntentFiltersIfNeeded(params.userId, params.verifierUid, 1596 params.replacing, params.pkg); 1597 break; 1598 } 1599 case INTENT_FILTER_VERIFIED: { 1600 final int verificationId = msg.arg1; 1601 1602 final IntentFilterVerificationState state = mIntentFilterVerificationStates.get( 1603 verificationId); 1604 if (state == null) { 1605 Slog.w(TAG, "Invalid IntentFilter verification token " 1606 + verificationId + " received"); 1607 break; 1608 } 1609 1610 final int userId = state.getUserId(); 1611 1612 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1613 "Processing IntentFilter verification with token:" 1614 + verificationId + " and userId:" + userId); 1615 1616 final IntentFilterVerificationResponse response = 1617 (IntentFilterVerificationResponse) msg.obj; 1618 1619 state.setVerifierResponse(response.callerUid, response.code); 1620 1621 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1622 "IntentFilter verification with token:" + verificationId 1623 + " and userId:" + userId 1624 + " is settings verifier response with response code:" 1625 + response.code); 1626 1627 if (response.code == PackageManager.INTENT_FILTER_VERIFICATION_FAILURE) { 1628 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Domains failing verification: " 1629 + response.getFailedDomainsString()); 1630 } 1631 1632 if (state.isVerificationComplete()) { 1633 mIntentFilterVerifier.receiveVerificationResponse(verificationId); 1634 } else { 1635 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1636 "IntentFilter verification with token:" + verificationId 1637 + " was not said to be complete"); 1638 } 1639 1640 break; 1641 } 1642 } 1643 } 1644 } 1645 1646 private void handlePackagePostInstall(PackageInstalledInfo res, boolean grantPermissions, 1647 boolean killApp, String[] grantedPermissions, 1648 boolean launchedForRestore, String installerPackage, 1649 IPackageInstallObserver2 installObserver) { 1650 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 1651 // Send the removed broadcasts 1652 if (res.removedInfo != null) { 1653 res.removedInfo.sendPackageRemovedBroadcasts(killApp); 1654 } 1655 1656 // Now that we successfully installed the package, grant runtime 1657 // permissions if requested before broadcasting the install. 1658 if (grantPermissions && res.pkg.applicationInfo.targetSdkVersion 1659 >= Build.VERSION_CODES.M) { 1660 grantRequestedRuntimePermissions(res.pkg, res.newUsers, grantedPermissions); 1661 } 1662 1663 final boolean update = res.removedInfo != null 1664 && res.removedInfo.removedPackage != null; 1665 1666 // If this is the first time we have child packages for a disabled privileged 1667 // app that had no children, we grant requested runtime permissions to the new 1668 // children if the parent on the system image had them already granted. 1669 if (res.pkg.parentPackage != null) { 1670 synchronized (mPackages) { 1671 grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw(res.pkg); 1672 } 1673 } 1674 1675 synchronized (mPackages) { 1676 mEphemeralApplicationRegistry.onPackageInstalledLPw(res.pkg); 1677 } 1678 1679 final String packageName = res.pkg.applicationInfo.packageName; 1680 Bundle extras = new Bundle(1); 1681 extras.putInt(Intent.EXTRA_UID, res.uid); 1682 1683 // Determine the set of users who are adding this package for 1684 // the first time vs. those who are seeing an update. 1685 int[] firstUsers = EMPTY_INT_ARRAY; 1686 int[] updateUsers = EMPTY_INT_ARRAY; 1687 if (res.origUsers == null || res.origUsers.length == 0) { 1688 firstUsers = res.newUsers; 1689 } else { 1690 for (int newUser : res.newUsers) { 1691 boolean isNew = true; 1692 for (int origUser : res.origUsers) { 1693 if (origUser == newUser) { 1694 isNew = false; 1695 break; 1696 } 1697 } 1698 if (isNew) { 1699 firstUsers = ArrayUtils.appendInt(firstUsers, newUser); 1700 } else { 1701 updateUsers = ArrayUtils.appendInt(updateUsers, newUser); 1702 } 1703 } 1704 } 1705 1706 // Send installed broadcasts if the install/update is not ephemeral 1707 if (!isEphemeral(res.pkg)) { 1708 mProcessLoggingHandler.invalidateProcessLoggingBaseApkHash(res.pkg.baseCodePath); 1709 1710 // Send added for users that see the package for the first time 1711 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1712 extras, 0 /*flags*/, null /*targetPackage*/, 1713 null /*finishedReceiver*/, firstUsers); 1714 1715 // Send added for users that don't see the package for the first time 1716 if (update) { 1717 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1718 } 1719 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1720 extras, 0 /*flags*/, null /*targetPackage*/, 1721 null /*finishedReceiver*/, updateUsers); 1722 1723 // Send replaced for users that don't see the package for the first time 1724 if (update) { 1725 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1726 packageName, extras, 0 /*flags*/, 1727 null /*targetPackage*/, null /*finishedReceiver*/, 1728 updateUsers); 1729 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1730 null /*package*/, null /*extras*/, 0 /*flags*/, 1731 packageName /*targetPackage*/, 1732 null /*finishedReceiver*/, updateUsers); 1733 } else if (launchedForRestore && !isSystemApp(res.pkg)) { 1734 // First-install and we did a restore, so we're responsible for the 1735 // first-launch broadcast. 1736 if (DEBUG_BACKUP) { 1737 Slog.i(TAG, "Post-restore of " + packageName 1738 + " sending FIRST_LAUNCH in " + Arrays.toString(firstUsers)); 1739 } 1740 sendFirstLaunchBroadcast(packageName, installerPackage, firstUsers); 1741 } 1742 1743 // Send broadcast package appeared if forward locked/external for all users 1744 // treat asec-hosted packages like removable media on upgrade 1745 if (res.pkg.isForwardLocked() || isExternal(res.pkg)) { 1746 if (DEBUG_INSTALL) { 1747 Slog.i(TAG, "upgrading pkg " + res.pkg 1748 + " is ASEC-hosted -> AVAILABLE"); 1749 } 1750 final int[] uidArray = new int[]{res.pkg.applicationInfo.uid}; 1751 ArrayList<String> pkgList = new ArrayList<>(1); 1752 pkgList.add(packageName); 1753 sendResourcesChangedBroadcast(true, true, pkgList, uidArray, null); 1754 } 1755 } 1756 1757 // Work that needs to happen on first install within each user 1758 if (firstUsers != null && firstUsers.length > 0) { 1759 synchronized (mPackages) { 1760 for (int userId : firstUsers) { 1761 // If this app is a browser and it's newly-installed for some 1762 // users, clear any default-browser state in those users. The 1763 // app's nature doesn't depend on the user, so we can just check 1764 // its browser nature in any user and generalize. 1765 if (packageIsBrowser(packageName, userId)) { 1766 mSettings.setDefaultBrowserPackageNameLPw(null, userId); 1767 } 1768 1769 // We may also need to apply pending (restored) runtime 1770 // permission grants within these users. 1771 mSettings.applyPendingPermissionGrantsLPw(packageName, userId); 1772 } 1773 } 1774 } 1775 1776 // Log current value of "unknown sources" setting 1777 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1778 getUnknownSourcesSettings()); 1779 1780 // Force a gc to clear up things 1781 Runtime.getRuntime().gc(); 1782 1783 // Remove the replaced package's older resources safely now 1784 // We delete after a gc for applications on sdcard. 1785 if (res.removedInfo != null && res.removedInfo.args != null) { 1786 synchronized (mInstallLock) { 1787 res.removedInfo.args.doPostDeleteLI(true); 1788 } 1789 } 1790 } 1791 1792 // If someone is watching installs - notify them 1793 if (installObserver != null) { 1794 try { 1795 Bundle extras = extrasForInstallResult(res); 1796 installObserver.onPackageInstalled(res.name, res.returnCode, 1797 res.returnMsg, extras); 1798 } catch (RemoteException e) { 1799 Slog.i(TAG, "Observer no longer exists."); 1800 } 1801 } 1802 } 1803 1804 private void grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw( 1805 PackageParser.Package pkg) { 1806 if (pkg.parentPackage == null) { 1807 return; 1808 } 1809 if (pkg.requestedPermissions == null) { 1810 return; 1811 } 1812 final PackageSetting disabledSysParentPs = mSettings 1813 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 1814 if (disabledSysParentPs == null || disabledSysParentPs.pkg == null 1815 || !disabledSysParentPs.isPrivileged() 1816 || (disabledSysParentPs.childPackageNames != null 1817 && !disabledSysParentPs.childPackageNames.isEmpty())) { 1818 return; 1819 } 1820 final int[] allUserIds = sUserManager.getUserIds(); 1821 final int permCount = pkg.requestedPermissions.size(); 1822 for (int i = 0; i < permCount; i++) { 1823 String permission = pkg.requestedPermissions.get(i); 1824 BasePermission bp = mSettings.mPermissions.get(permission); 1825 if (bp == null || !(bp.isRuntime() || bp.isDevelopment())) { 1826 continue; 1827 } 1828 for (int userId : allUserIds) { 1829 if (disabledSysParentPs.getPermissionsState().hasRuntimePermission( 1830 permission, userId)) { 1831 grantRuntimePermission(pkg.packageName, permission, userId); 1832 } 1833 } 1834 } 1835 } 1836 1837 private StorageEventListener mStorageListener = new StorageEventListener() { 1838 @Override 1839 public void onVolumeStateChanged(VolumeInfo vol, int oldState, int newState) { 1840 if (vol.type == VolumeInfo.TYPE_PRIVATE) { 1841 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1842 final String volumeUuid = vol.getFsUuid(); 1843 1844 // Clean up any users or apps that were removed or recreated 1845 // while this volume was missing 1846 reconcileUsers(volumeUuid); 1847 reconcileApps(volumeUuid); 1848 1849 // Clean up any install sessions that expired or were 1850 // cancelled while this volume was missing 1851 mInstallerService.onPrivateVolumeMounted(volumeUuid); 1852 1853 loadPrivatePackages(vol); 1854 1855 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1856 unloadPrivatePackages(vol); 1857 } 1858 } 1859 1860 if (vol.type == VolumeInfo.TYPE_PUBLIC && vol.isPrimary()) { 1861 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1862 updateExternalMediaStatus(true, false); 1863 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1864 updateExternalMediaStatus(false, false); 1865 } 1866 } 1867 } 1868 1869 @Override 1870 public void onVolumeForgotten(String fsUuid) { 1871 if (TextUtils.isEmpty(fsUuid)) { 1872 Slog.e(TAG, "Forgetting internal storage is probably a mistake; ignoring"); 1873 return; 1874 } 1875 1876 // Remove any apps installed on the forgotten volume 1877 synchronized (mPackages) { 1878 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(fsUuid); 1879 for (PackageSetting ps : packages) { 1880 Slog.d(TAG, "Destroying " + ps.name + " because volume was forgotten"); 1881 deletePackage(ps.name, new LegacyPackageDeleteObserver(null).getBinder(), 1882 UserHandle.USER_SYSTEM, PackageManager.DELETE_ALL_USERS); 1883 } 1884 1885 mSettings.onVolumeForgotten(fsUuid); 1886 mSettings.writeLPr(); 1887 } 1888 } 1889 }; 1890 1891 private void grantRequestedRuntimePermissions(PackageParser.Package pkg, int[] userIds, 1892 String[] grantedPermissions) { 1893 for (int userId : userIds) { 1894 grantRequestedRuntimePermissionsForUser(pkg, userId, grantedPermissions); 1895 } 1896 1897 // We could have touched GID membership, so flush out packages.list 1898 synchronized (mPackages) { 1899 mSettings.writePackageListLPr(); 1900 } 1901 } 1902 1903 private void grantRequestedRuntimePermissionsForUser(PackageParser.Package pkg, int userId, 1904 String[] grantedPermissions) { 1905 SettingBase sb = (SettingBase) pkg.mExtras; 1906 if (sb == null) { 1907 return; 1908 } 1909 1910 PermissionsState permissionsState = sb.getPermissionsState(); 1911 1912 final int immutableFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 1913 | PackageManager.FLAG_PERMISSION_POLICY_FIXED; 1914 1915 for (String permission : pkg.requestedPermissions) { 1916 final BasePermission bp; 1917 synchronized (mPackages) { 1918 bp = mSettings.mPermissions.get(permission); 1919 } 1920 if (bp != null && (bp.isRuntime() || bp.isDevelopment()) 1921 && (grantedPermissions == null 1922 || ArrayUtils.contains(grantedPermissions, permission))) { 1923 final int flags = permissionsState.getPermissionFlags(permission, userId); 1924 // Installer cannot change immutable permissions. 1925 if ((flags & immutableFlags) == 0) { 1926 grantRuntimePermission(pkg.packageName, permission, userId); 1927 } 1928 } 1929 } 1930 } 1931 1932 Bundle extrasForInstallResult(PackageInstalledInfo res) { 1933 Bundle extras = null; 1934 switch (res.returnCode) { 1935 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 1936 extras = new Bundle(); 1937 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 1938 res.origPermission); 1939 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 1940 res.origPackage); 1941 break; 1942 } 1943 case PackageManager.INSTALL_SUCCEEDED: { 1944 extras = new Bundle(); 1945 extras.putBoolean(Intent.EXTRA_REPLACING, 1946 res.removedInfo != null && res.removedInfo.removedPackage != null); 1947 break; 1948 } 1949 } 1950 return extras; 1951 } 1952 1953 void scheduleWriteSettingsLocked() { 1954 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 1955 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 1956 } 1957 } 1958 1959 void scheduleWritePackageListLocked(int userId) { 1960 if (!mHandler.hasMessages(WRITE_PACKAGE_LIST)) { 1961 Message msg = mHandler.obtainMessage(WRITE_PACKAGE_LIST); 1962 msg.arg1 = userId; 1963 mHandler.sendMessageDelayed(msg, WRITE_SETTINGS_DELAY); 1964 } 1965 } 1966 1967 void scheduleWritePackageRestrictionsLocked(UserHandle user) { 1968 final int userId = user == null ? UserHandle.USER_ALL : user.getIdentifier(); 1969 scheduleWritePackageRestrictionsLocked(userId); 1970 } 1971 1972 void scheduleWritePackageRestrictionsLocked(int userId) { 1973 final int[] userIds = (userId == UserHandle.USER_ALL) 1974 ? sUserManager.getUserIds() : new int[]{userId}; 1975 for (int nextUserId : userIds) { 1976 if (!sUserManager.exists(nextUserId)) return; 1977 mDirtyUsers.add(nextUserId); 1978 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 1979 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 1980 } 1981 } 1982 } 1983 1984 public static PackageManagerService main(Context context, Installer installer, 1985 boolean factoryTest, boolean onlyCore) { 1986 // Self-check for initial settings. 1987 PackageManagerServiceCompilerMapping.checkProperties(); 1988 1989 PackageManagerService m = new PackageManagerService(context, installer, 1990 factoryTest, onlyCore); 1991 m.enableSystemUserPackages(); 1992 ServiceManager.addService("package", m); 1993 return m; 1994 } 1995 1996 private void enableSystemUserPackages() { 1997 if (!UserManager.isSplitSystemUser()) { 1998 return; 1999 } 2000 // For system user, enable apps based on the following conditions: 2001 // - app is whitelisted or belong to one of these groups: 2002 // -- system app which has no launcher icons 2003 // -- system app which has INTERACT_ACROSS_USERS permission 2004 // -- system IME app 2005 // - app is not in the blacklist 2006 AppsQueryHelper queryHelper = new AppsQueryHelper(this); 2007 Set<String> enableApps = new ArraySet<>(); 2008 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_NON_LAUNCHABLE_APPS 2009 | AppsQueryHelper.GET_APPS_WITH_INTERACT_ACROSS_USERS_PERM 2010 | AppsQueryHelper.GET_IMES, /* systemAppsOnly */ true, UserHandle.SYSTEM)); 2011 ArraySet<String> wlApps = SystemConfig.getInstance().getSystemUserWhitelistedApps(); 2012 enableApps.addAll(wlApps); 2013 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_REQUIRED_FOR_SYSTEM_USER, 2014 /* systemAppsOnly */ false, UserHandle.SYSTEM)); 2015 ArraySet<String> blApps = SystemConfig.getInstance().getSystemUserBlacklistedApps(); 2016 enableApps.removeAll(blApps); 2017 Log.i(TAG, "Applications installed for system user: " + enableApps); 2018 List<String> allAps = queryHelper.queryApps(0, /* systemAppsOnly */ false, 2019 UserHandle.SYSTEM); 2020 final int allAppsSize = allAps.size(); 2021 synchronized (mPackages) { 2022 for (int i = 0; i < allAppsSize; i++) { 2023 String pName = allAps.get(i); 2024 PackageSetting pkgSetting = mSettings.mPackages.get(pName); 2025 // Should not happen, but we shouldn't be failing if it does 2026 if (pkgSetting == null) { 2027 continue; 2028 } 2029 boolean install = enableApps.contains(pName); 2030 if (pkgSetting.getInstalled(UserHandle.USER_SYSTEM) != install) { 2031 Log.i(TAG, (install ? "Installing " : "Uninstalling ") + pName 2032 + " for system user"); 2033 pkgSetting.setInstalled(install, UserHandle.USER_SYSTEM); 2034 } 2035 } 2036 } 2037 } 2038 2039 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 2040 DisplayManager displayManager = (DisplayManager) context.getSystemService( 2041 Context.DISPLAY_SERVICE); 2042 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 2043 } 2044 2045 /** 2046 * Requests that files preopted on a secondary system partition be copied to the data partition 2047 * if possible. Note that the actual copying of the files is accomplished by init for security 2048 * reasons. This simply requests that the copy takes place and awaits confirmation of its 2049 * completion. See platform/system/extras/cppreopt/ for the implementation of the actual copy. 2050 */ 2051 private static void requestCopyPreoptedFiles() { 2052 final int WAIT_TIME_MS = 100; 2053 final String CP_PREOPT_PROPERTY = "sys.cppreopt"; 2054 if (SystemProperties.getInt("ro.cp_system_other_odex", 0) == 1) { 2055 SystemProperties.set(CP_PREOPT_PROPERTY, "requested"); 2056 // We will wait for up to 100 seconds. 2057 final long timeEnd = SystemClock.uptimeMillis() + 100 * 1000; 2058 while (!SystemProperties.get(CP_PREOPT_PROPERTY).equals("finished")) { 2059 try { 2060 Thread.sleep(WAIT_TIME_MS); 2061 } catch (InterruptedException e) { 2062 // Do nothing 2063 } 2064 if (SystemClock.uptimeMillis() > timeEnd) { 2065 SystemProperties.set(CP_PREOPT_PROPERTY, "timed-out"); 2066 Slog.wtf(TAG, "cppreopt did not finish!"); 2067 break; 2068 } 2069 } 2070 } 2071 } 2072 2073 public PackageManagerService(Context context, Installer installer, 2074 boolean factoryTest, boolean onlyCore) { 2075 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 2076 SystemClock.uptimeMillis()); 2077 2078 if (mSdkVersion <= 0) { 2079 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 2080 } 2081 2082 mContext = context; 2083 2084 mPermissionReviewRequired = context.getResources().getBoolean( 2085 R.bool.config_permissionReviewRequired); 2086 2087 mFactoryTest = factoryTest; 2088 mOnlyCore = onlyCore; 2089 mMetrics = new DisplayMetrics(); 2090 mSettings = new Settings(mPackages); 2091 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 2092 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2093 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 2094 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2095 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 2096 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2097 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 2098 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2099 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 2100 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2101 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 2102 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2103 2104 String separateProcesses = SystemProperties.get("debug.separate_processes"); 2105 if (separateProcesses != null && separateProcesses.length() > 0) { 2106 if ("*".equals(separateProcesses)) { 2107 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 2108 mSeparateProcesses = null; 2109 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 2110 } else { 2111 mDefParseFlags = 0; 2112 mSeparateProcesses = separateProcesses.split(","); 2113 Slog.w(TAG, "Running with debug.separate_processes: " 2114 + separateProcesses); 2115 } 2116 } else { 2117 mDefParseFlags = 0; 2118 mSeparateProcesses = null; 2119 } 2120 2121 mInstaller = installer; 2122 mPackageDexOptimizer = new PackageDexOptimizer(installer, mInstallLock, context, 2123 "*dexopt*"); 2124 mDexManager = new DexManager(); 2125 mMoveCallbacks = new MoveCallbacks(FgThread.get().getLooper()); 2126 2127 mOnPermissionChangeListeners = new OnPermissionChangeListeners( 2128 FgThread.get().getLooper()); 2129 2130 getDefaultDisplayMetrics(context, mMetrics); 2131 2132 SystemConfig systemConfig = SystemConfig.getInstance(); 2133 mGlobalGids = systemConfig.getGlobalGids(); 2134 mSystemPermissions = systemConfig.getSystemPermissions(); 2135 mAvailableFeatures = systemConfig.getAvailableFeatures(); 2136 2137 mProtectedPackages = new ProtectedPackages(mContext); 2138 2139 synchronized (mInstallLock) { 2140 // writer 2141 synchronized (mPackages) { 2142 mHandlerThread = new ServiceThread(TAG, 2143 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 2144 mHandlerThread.start(); 2145 mHandler = new PackageHandler(mHandlerThread.getLooper()); 2146 mProcessLoggingHandler = new ProcessLoggingHandler(); 2147 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 2148 2149 mDefaultPermissionPolicy = new DefaultPermissionGrantPolicy(this); 2150 2151 File dataDir = Environment.getDataDirectory(); 2152 mAppInstallDir = new File(dataDir, "app"); 2153 mAppLib32InstallDir = new File(dataDir, "app-lib"); 2154 mEphemeralInstallDir = new File(dataDir, "app-ephemeral"); 2155 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 2156 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 2157 2158 sUserManager = new UserManagerService(context, this, mPackages); 2159 2160 // Propagate permission configuration in to package manager. 2161 ArrayMap<String, SystemConfig.PermissionEntry> permConfig 2162 = systemConfig.getPermissions(); 2163 for (int i=0; i<permConfig.size(); i++) { 2164 SystemConfig.PermissionEntry perm = permConfig.valueAt(i); 2165 BasePermission bp = mSettings.mPermissions.get(perm.name); 2166 if (bp == null) { 2167 bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN); 2168 mSettings.mPermissions.put(perm.name, bp); 2169 } 2170 if (perm.gids != null) { 2171 bp.setGids(perm.gids, perm.perUser); 2172 } 2173 } 2174 2175 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 2176 for (int i=0; i<libConfig.size(); i++) { 2177 mSharedLibraries.put(libConfig.keyAt(i), 2178 new SharedLibraryEntry(libConfig.valueAt(i), null)); 2179 } 2180 2181 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 2182 2183 mFirstBoot = !mSettings.readLPw(sUserManager.getUsers(false)); 2184 2185 if (mFirstBoot) { 2186 requestCopyPreoptedFiles(); 2187 } 2188 2189 String customResolverActivity = Resources.getSystem().getString( 2190 R.string.config_customResolverActivity); 2191 if (TextUtils.isEmpty(customResolverActivity)) { 2192 customResolverActivity = null; 2193 } else { 2194 mCustomResolverComponentName = ComponentName.unflattenFromString( 2195 customResolverActivity); 2196 } 2197 2198 long startTime = SystemClock.uptimeMillis(); 2199 2200 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 2201 startTime); 2202 2203 // Set flag to monitor and not change apk file paths when 2204 // scanning install directories. 2205 final int scanFlags = SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING | SCAN_INITIAL; 2206 2207 final String bootClassPath = System.getenv("BOOTCLASSPATH"); 2208 final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH"); 2209 2210 if (bootClassPath == null) { 2211 Slog.w(TAG, "No BOOTCLASSPATH found!"); 2212 } 2213 2214 if (systemServerClassPath == null) { 2215 Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!"); 2216 } 2217 2218 final List<String> allInstructionSets = InstructionSets.getAllInstructionSets(); 2219 final String[] dexCodeInstructionSets = 2220 getDexCodeInstructionSets( 2221 allInstructionSets.toArray(new String[allInstructionSets.size()])); 2222 2223 /** 2224 * Ensure all external libraries have had dexopt run on them. 2225 */ 2226 if (mSharedLibraries.size() > 0) { 2227 // NOTE: For now, we're compiling these system "shared libraries" 2228 // (and framework jars) into all available architectures. It's possible 2229 // to compile them only when we come across an app that uses them (there's 2230 // already logic for that in scanPackageLI) but that adds some complexity. 2231 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 2232 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 2233 final String lib = libEntry.path; 2234 if (lib == null) { 2235 continue; 2236 } 2237 2238 try { 2239 // Shared libraries do not have profiles so we perform a full 2240 // AOT compilation (if needed). 2241 int dexoptNeeded = DexFile.getDexOptNeeded( 2242 lib, dexCodeInstructionSet, 2243 getCompilerFilterForReason(REASON_SHARED_APK), 2244 false /* newProfile */); 2245 if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) { 2246 mInstaller.dexopt(lib, Process.SYSTEM_UID, "*", 2247 dexCodeInstructionSet, dexoptNeeded, null, 2248 DEXOPT_PUBLIC, 2249 getCompilerFilterForReason(REASON_SHARED_APK), 2250 StorageManager.UUID_PRIVATE_INTERNAL, 2251 SKIP_SHARED_LIBRARY_CHECK); 2252 } 2253 } catch (FileNotFoundException e) { 2254 Slog.w(TAG, "Library not found: " + lib); 2255 } catch (IOException | InstallerException e) { 2256 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 2257 + e.getMessage()); 2258 } 2259 } 2260 } 2261 } 2262 2263 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 2264 2265 final VersionInfo ver = mSettings.getInternalVersion(); 2266 mIsUpgrade = !Build.FINGERPRINT.equals(ver.fingerprint); 2267 2268 // when upgrading from pre-M, promote system app permissions from install to runtime 2269 mPromoteSystemApps = 2270 mIsUpgrade && ver.sdkVersion <= Build.VERSION_CODES.LOLLIPOP_MR1; 2271 2272 // When upgrading from pre-N, we need to handle package extraction like first boot, 2273 // as there is no profiling data available. 2274 mIsPreNUpgrade = mIsUpgrade && ver.sdkVersion < Build.VERSION_CODES.N; 2275 2276 mIsPreNMR1Upgrade = mIsUpgrade && ver.sdkVersion < Build.VERSION_CODES.N_MR1; 2277 2278 // save off the names of pre-existing system packages prior to scanning; we don't 2279 // want to automatically grant runtime permissions for new system apps 2280 if (mPromoteSystemApps) { 2281 Iterator<PackageSetting> pkgSettingIter = mSettings.mPackages.values().iterator(); 2282 while (pkgSettingIter.hasNext()) { 2283 PackageSetting ps = pkgSettingIter.next(); 2284 if (isSystemApp(ps)) { 2285 mExistingSystemPackages.add(ps.name); 2286 } 2287 } 2288 } 2289 2290 // Collect vendor overlay packages. 2291 // (Do this before scanning any apps.) 2292 // For security and version matching reason, only consider 2293 // overlay packages if they reside in the right directory. 2294 File vendorOverlayDir; 2295 String overlaySkuDir = SystemProperties.get(VENDOR_OVERLAY_SKU_PROPERTY); 2296 if (!overlaySkuDir.isEmpty()) { 2297 vendorOverlayDir = new File(VENDOR_OVERLAY_DIR, overlaySkuDir); 2298 } else { 2299 vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 2300 } 2301 scanDirTracedLI(vendorOverlayDir, mDefParseFlags 2302 | PackageParser.PARSE_IS_SYSTEM 2303 | PackageParser.PARSE_IS_SYSTEM_DIR 2304 | PackageParser.PARSE_TRUSTED_OVERLAY, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 2305 2306 // Find base frameworks (resource packages without code). 2307 scanDirTracedLI(frameworkDir, mDefParseFlags 2308 | PackageParser.PARSE_IS_SYSTEM 2309 | PackageParser.PARSE_IS_SYSTEM_DIR 2310 | PackageParser.PARSE_IS_PRIVILEGED, 2311 scanFlags | SCAN_NO_DEX, 0); 2312 2313 // Collected privileged system packages. 2314 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 2315 scanDirTracedLI(privilegedAppDir, mDefParseFlags 2316 | PackageParser.PARSE_IS_SYSTEM 2317 | PackageParser.PARSE_IS_SYSTEM_DIR 2318 | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0); 2319 2320 // Collect ordinary system packages. 2321 final File systemAppDir = new File(Environment.getRootDirectory(), "app"); 2322 scanDirTracedLI(systemAppDir, mDefParseFlags 2323 | PackageParser.PARSE_IS_SYSTEM 2324 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2325 2326 // Collect all vendor packages. 2327 File vendorAppDir = new File("/vendor/app"); 2328 try { 2329 vendorAppDir = vendorAppDir.getCanonicalFile(); 2330 } catch (IOException e) { 2331 // failed to look up canonical path, continue with original one 2332 } 2333 scanDirTracedLI(vendorAppDir, mDefParseFlags 2334 | PackageParser.PARSE_IS_SYSTEM 2335 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2336 2337 // Collect all OEM packages. 2338 final File oemAppDir = new File(Environment.getOemDirectory(), "app"); 2339 scanDirTracedLI(oemAppDir, mDefParseFlags 2340 | PackageParser.PARSE_IS_SYSTEM 2341 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2342 2343 // Prune any system packages that no longer exist. 2344 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 2345 if (!mOnlyCore) { 2346 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 2347 while (psit.hasNext()) { 2348 PackageSetting ps = psit.next(); 2349 2350 /* 2351 * If this is not a system app, it can't be a 2352 * disable system app. 2353 */ 2354 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 2355 continue; 2356 } 2357 2358 /* 2359 * If the package is scanned, it's not erased. 2360 */ 2361 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 2362 if (scannedPkg != null) { 2363 /* 2364 * If the system app is both scanned and in the 2365 * disabled packages list, then it must have been 2366 * added via OTA. Remove it from the currently 2367 * scanned package so the previously user-installed 2368 * application can be scanned. 2369 */ 2370 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 2371 logCriticalInfo(Log.WARN, "Expecting better updated system app for " 2372 + ps.name + "; removing system app. Last known codePath=" 2373 + ps.codePathString + ", installStatus=" + ps.installStatus 2374 + ", versionCode=" + ps.versionCode + "; scanned versionCode=" 2375 + scannedPkg.mVersionCode); 2376 removePackageLI(scannedPkg, true); 2377 mExpectingBetter.put(ps.name, ps.codePath); 2378 } 2379 2380 continue; 2381 } 2382 2383 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 2384 psit.remove(); 2385 logCriticalInfo(Log.WARN, "System package " + ps.name 2386 + " no longer exists; it's data will be wiped"); 2387 // Actual deletion of code and data will be handled by later 2388 // reconciliation step 2389 } else { 2390 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 2391 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 2392 possiblyDeletedUpdatedSystemApps.add(ps.name); 2393 } 2394 } 2395 } 2396 } 2397 2398 //look for any incomplete package installations 2399 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 2400 for (int i = 0; i < deletePkgsList.size(); i++) { 2401 // Actual deletion of code and data will be handled by later 2402 // reconciliation step 2403 final String packageName = deletePkgsList.get(i).name; 2404 logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + packageName); 2405 synchronized (mPackages) { 2406 mSettings.removePackageLPw(packageName); 2407 } 2408 } 2409 2410 //delete tmp files 2411 deleteTempPackageFiles(); 2412 2413 // Remove any shared userIDs that have no associated packages 2414 mSettings.pruneSharedUsersLPw(); 2415 2416 if (!mOnlyCore) { 2417 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 2418 SystemClock.uptimeMillis()); 2419 scanDirTracedLI(mAppInstallDir, 0, scanFlags | SCAN_REQUIRE_KNOWN, 0); 2420 2421 scanDirTracedLI(mDrmAppPrivateInstallDir, mDefParseFlags 2422 | PackageParser.PARSE_FORWARD_LOCK, 2423 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2424 2425 scanDirLI(mEphemeralInstallDir, mDefParseFlags 2426 | PackageParser.PARSE_IS_EPHEMERAL, 2427 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2428 2429 /** 2430 * Remove disable package settings for any updated system 2431 * apps that were removed via an OTA. If they're not a 2432 * previously-updated app, remove them completely. 2433 * Otherwise, just revoke their system-level permissions. 2434 */ 2435 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 2436 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 2437 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 2438 2439 String msg; 2440 if (deletedPkg == null) { 2441 msg = "Updated system package " + deletedAppName 2442 + " no longer exists; it's data will be wiped"; 2443 // Actual deletion of code and data will be handled by later 2444 // reconciliation step 2445 } else { 2446 msg = "Updated system app + " + deletedAppName 2447 + " no longer present; removing system privileges for " 2448 + deletedAppName; 2449 2450 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 2451 2452 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 2453 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 2454 } 2455 logCriticalInfo(Log.WARN, msg); 2456 } 2457 2458 /** 2459 * Make sure all system apps that we expected to appear on 2460 * the userdata partition actually showed up. If they never 2461 * appeared, crawl back and revive the system version. 2462 */ 2463 for (int i = 0; i < mExpectingBetter.size(); i++) { 2464 final String packageName = mExpectingBetter.keyAt(i); 2465 if (!mPackages.containsKey(packageName)) { 2466 final File scanFile = mExpectingBetter.valueAt(i); 2467 2468 logCriticalInfo(Log.WARN, "Expected better " + packageName 2469 + " but never showed up; reverting to system"); 2470 2471 int reparseFlags = mDefParseFlags; 2472 if (FileUtils.contains(privilegedAppDir, scanFile)) { 2473 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2474 | PackageParser.PARSE_IS_SYSTEM_DIR 2475 | PackageParser.PARSE_IS_PRIVILEGED; 2476 } else if (FileUtils.contains(systemAppDir, scanFile)) { 2477 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2478 | PackageParser.PARSE_IS_SYSTEM_DIR; 2479 } else if (FileUtils.contains(vendorAppDir, scanFile)) { 2480 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2481 | PackageParser.PARSE_IS_SYSTEM_DIR; 2482 } else if (FileUtils.contains(oemAppDir, scanFile)) { 2483 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2484 | PackageParser.PARSE_IS_SYSTEM_DIR; 2485 } else { 2486 Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile); 2487 continue; 2488 } 2489 2490 mSettings.enableSystemPackageLPw(packageName); 2491 2492 try { 2493 scanPackageTracedLI(scanFile, reparseFlags, scanFlags, 0, null); 2494 } catch (PackageManagerException e) { 2495 Slog.e(TAG, "Failed to parse original system package: " 2496 + e.getMessage()); 2497 } 2498 } 2499 } 2500 } 2501 mExpectingBetter.clear(); 2502 2503 // Resolve the storage manager. 2504 mStorageManagerPackage = getStorageManagerPackageName(); 2505 2506 // Resolve protected action filters. Only the setup wizard is allowed to 2507 // have a high priority filter for these actions. 2508 mSetupWizardPackage = getSetupWizardPackageName(); 2509 if (mProtectedFilters.size() > 0) { 2510 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 2511 Slog.i(TAG, "No setup wizard;" 2512 + " All protected intents capped to priority 0"); 2513 } 2514 for (ActivityIntentInfo filter : mProtectedFilters) { 2515 if (filter.activity.info.packageName.equals(mSetupWizardPackage)) { 2516 if (DEBUG_FILTERS) { 2517 Slog.i(TAG, "Found setup wizard;" 2518 + " allow priority " + filter.getPriority() + ";" 2519 + " package: " + filter.activity.info.packageName 2520 + " activity: " + filter.activity.className 2521 + " priority: " + filter.getPriority()); 2522 } 2523 // skip setup wizard; allow it to keep the high priority filter 2524 continue; 2525 } 2526 Slog.w(TAG, "Protected action; cap priority to 0;" 2527 + " package: " + filter.activity.info.packageName 2528 + " activity: " + filter.activity.className 2529 + " origPrio: " + filter.getPriority()); 2530 filter.setPriority(0); 2531 } 2532 } 2533 mDeferProtectedFilters = false; 2534 mProtectedFilters.clear(); 2535 2536 // Now that we know all of the shared libraries, update all clients to have 2537 // the correct library paths. 2538 updateAllSharedLibrariesLPw(); 2539 2540 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 2541 // NOTE: We ignore potential failures here during a system scan (like 2542 // the rest of the commands above) because there's precious little we 2543 // can do about it. A settings error is reported, though. 2544 adjustCpuAbisForSharedUserLPw(setting.packages, null /* scanned package */, 2545 false /* boot complete */); 2546 } 2547 2548 // Now that we know all the packages we are keeping, 2549 // read and update their last usage times. 2550 mPackageUsage.read(mPackages); 2551 mCompilerStats.read(); 2552 2553 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 2554 SystemClock.uptimeMillis()); 2555 Slog.i(TAG, "Time to scan packages: " 2556 + ((SystemClock.uptimeMillis()-startTime)/1000f) 2557 + " seconds"); 2558 2559 // If the platform SDK has changed since the last time we booted, 2560 // we need to re-grant app permission to catch any new ones that 2561 // appear. This is really a hack, and means that apps can in some 2562 // cases get permissions that the user didn't initially explicitly 2563 // allow... it would be nice to have some better way to handle 2564 // this situation. 2565 int updateFlags = UPDATE_PERMISSIONS_ALL; 2566 if (ver.sdkVersion != mSdkVersion) { 2567 Slog.i(TAG, "Platform changed from " + ver.sdkVersion + " to " 2568 + mSdkVersion + "; regranting permissions for internal storage"); 2569 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 2570 } 2571 updatePermissionsLPw(null, null, StorageManager.UUID_PRIVATE_INTERNAL, updateFlags); 2572 ver.sdkVersion = mSdkVersion; 2573 2574 // If this is the first boot or an update from pre-M, and it is a normal 2575 // boot, then we need to initialize the default preferred apps across 2576 // all defined users. 2577 if (!onlyCore && (mPromoteSystemApps || mFirstBoot)) { 2578 for (UserInfo user : sUserManager.getUsers(true)) { 2579 mSettings.applyDefaultPreferredAppsLPw(this, user.id); 2580 applyFactoryDefaultBrowserLPw(user.id); 2581 primeDomainVerificationsLPw(user.id); 2582 } 2583 } 2584 2585 // Prepare storage for system user really early during boot, 2586 // since core system apps like SettingsProvider and SystemUI 2587 // can't wait for user to start 2588 final int storageFlags; 2589 if (StorageManager.isFileEncryptedNativeOrEmulated()) { 2590 storageFlags = StorageManager.FLAG_STORAGE_DE; 2591 } else { 2592 storageFlags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 2593 } 2594 reconcileAppsDataLI(StorageManager.UUID_PRIVATE_INTERNAL, UserHandle.USER_SYSTEM, 2595 storageFlags); 2596 2597 // If this is first boot after an OTA, and a normal boot, then 2598 // we need to clear code cache directories. 2599 // Note that we do *not* clear the application profiles. These remain valid 2600 // across OTAs and are used to drive profile verification (post OTA) and 2601 // profile compilation (without waiting to collect a fresh set of profiles). 2602 if (mIsUpgrade && !onlyCore) { 2603 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 2604 for (int i = 0; i < mSettings.mPackages.size(); i++) { 2605 final PackageSetting ps = mSettings.mPackages.valueAt(i); 2606 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, ps.volumeUuid)) { 2607 // No apps are running this early, so no need to freeze 2608 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 2609 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 2610 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 2611 } 2612 } 2613 ver.fingerprint = Build.FINGERPRINT; 2614 } 2615 2616 checkDefaultBrowser(); 2617 2618 // clear only after permissions and other defaults have been updated 2619 mExistingSystemPackages.clear(); 2620 mPromoteSystemApps = false; 2621 2622 // All the changes are done during package scanning. 2623 ver.databaseVersion = Settings.CURRENT_DATABASE_VERSION; 2624 2625 // can downgrade to reader 2626 mSettings.writeLPr(); 2627 2628 // Perform dexopt on all apps that mark themselves as coreApps. We do this pretty 2629 // early on (before the package manager declares itself as early) because other 2630 // components in the system server might ask for package contexts for these apps. 2631 // 2632 // Note that "onlyCore" in this context means the system is encrypted or encrypting 2633 // (i.e, that the data partition is unavailable). 2634 if ((isFirstBoot() || isUpgrade() || VMRuntime.didPruneDalvikCache()) && !onlyCore) { 2635 long start = System.nanoTime(); 2636 List<PackageParser.Package> coreApps = new ArrayList<>(); 2637 for (PackageParser.Package pkg : mPackages.values()) { 2638 if (pkg.coreApp) { 2639 coreApps.add(pkg); 2640 } 2641 } 2642 2643 int[] stats = performDexOptUpgrade(coreApps, false, 2644 getCompilerFilterForReason(REASON_CORE_APP)); 2645 2646 final int elapsedTimeSeconds = 2647 (int) TimeUnit.NANOSECONDS.toSeconds(System.nanoTime() - start); 2648 MetricsLogger.histogram(mContext, "opt_coreapps_time_s", elapsedTimeSeconds); 2649 2650 if (DEBUG_DEXOPT) { 2651 Slog.i(TAG, "Dex-opt core apps took : " + elapsedTimeSeconds + " seconds (" + 2652 stats[0] + ", " + stats[1] + ", " + stats[2] + ")"); 2653 } 2654 2655 2656 // TODO: Should we log these stats to tron too ? 2657 // MetricsLogger.histogram(mContext, "opt_coreapps_num_dexopted", stats[0]); 2658 // MetricsLogger.histogram(mContext, "opt_coreapps_num_skipped", stats[1]); 2659 // MetricsLogger.histogram(mContext, "opt_coreapps_num_failed", stats[2]); 2660 // MetricsLogger.histogram(mContext, "opt_coreapps_num_total", coreApps.size()); 2661 } 2662 2663 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 2664 SystemClock.uptimeMillis()); 2665 2666 if (!mOnlyCore) { 2667 mRequiredVerifierPackage = getRequiredButNotReallyRequiredVerifierLPr(); 2668 mRequiredInstallerPackage = getRequiredInstallerLPr(); 2669 mRequiredUninstallerPackage = getRequiredUninstallerLPr(); 2670 mIntentFilterVerifierComponent = getIntentFilterVerifierComponentNameLPr(); 2671 mIntentFilterVerifier = new IntentVerifierProxy(mContext, 2672 mIntentFilterVerifierComponent); 2673 mServicesSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2674 PackageManager.SYSTEM_SHARED_LIBRARY_SERVICES); 2675 mSharedSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2676 PackageManager.SYSTEM_SHARED_LIBRARY_SHARED); 2677 } else { 2678 mRequiredVerifierPackage = null; 2679 mRequiredInstallerPackage = null; 2680 mRequiredUninstallerPackage = null; 2681 mIntentFilterVerifierComponent = null; 2682 mIntentFilterVerifier = null; 2683 mServicesSystemSharedLibraryPackageName = null; 2684 mSharedSystemSharedLibraryPackageName = null; 2685 } 2686 2687 mInstallerService = new PackageInstallerService(context, this); 2688 2689 final ComponentName ephemeralResolverComponent = getEphemeralResolverLPr(); 2690 final ComponentName ephemeralInstallerComponent = getEphemeralInstallerLPr(); 2691 // both the installer and resolver must be present to enable ephemeral 2692 if (ephemeralInstallerComponent != null && ephemeralResolverComponent != null) { 2693 if (DEBUG_EPHEMERAL) { 2694 Slog.i(TAG, "Ephemeral activated; resolver: " + ephemeralResolverComponent 2695 + " installer:" + ephemeralInstallerComponent); 2696 } 2697 mEphemeralResolverComponent = ephemeralResolverComponent; 2698 mEphemeralInstallerComponent = ephemeralInstallerComponent; 2699 setUpEphemeralInstallerActivityLP(mEphemeralInstallerComponent); 2700 mEphemeralResolverConnection = 2701 new EphemeralResolverConnection(mContext, mEphemeralResolverComponent); 2702 } else { 2703 if (DEBUG_EPHEMERAL) { 2704 final String missingComponent = 2705 (ephemeralResolverComponent == null) 2706 ? (ephemeralInstallerComponent == null) 2707 ? "resolver and installer" 2708 : "resolver" 2709 : "installer"; 2710 Slog.i(TAG, "Ephemeral deactivated; missing " + missingComponent); 2711 } 2712 mEphemeralResolverComponent = null; 2713 mEphemeralInstallerComponent = null; 2714 mEphemeralResolverConnection = null; 2715 } 2716 2717 mEphemeralApplicationRegistry = new EphemeralApplicationRegistry(this); 2718 2719 // Read and update the usage of dex files. 2720 // Do this at the end of PM init so that all the packages have their 2721 // data directory reconciled. 2722 // At this point we know the code paths of the packages, so we can validate 2723 // the disk file and build the internal cache. 2724 // The usage file is expected to be small so loading and verifying it 2725 // should take a fairly small time compare to the other activities (e.g. package 2726 // scanning). 2727 final Map<Integer, List<PackageInfo>> userPackages = new HashMap<>(); 2728 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 2729 for (int userId : currentUserIds) { 2730 userPackages.put(userId, getInstalledPackages(/*flags*/ 0, userId).getList()); 2731 } 2732 mDexManager.load(userPackages); 2733 } // synchronized (mPackages) 2734 } // synchronized (mInstallLock) 2735 2736 // Now after opening every single application zip, make sure they 2737 // are all flushed. Not really needed, but keeps things nice and 2738 // tidy. 2739 Runtime.getRuntime().gc(); 2740 2741 // The initial scanning above does many calls into installd while 2742 // holding the mPackages lock, but we're mostly interested in yelling 2743 // once we have a booted system. 2744 mInstaller.setWarnIfHeld(mPackages); 2745 2746 // Expose private service for system components to use. 2747 LocalServices.addService(PackageManagerInternal.class, new PackageManagerInternalImpl()); 2748 } 2749 2750 @Override 2751 public boolean isFirstBoot() { 2752 return mFirstBoot; 2753 } 2754 2755 @Override 2756 public boolean isOnlyCoreApps() { 2757 return mOnlyCore; 2758 } 2759 2760 @Override 2761 public boolean isUpgrade() { 2762 return mIsUpgrade; 2763 } 2764 2765 private @Nullable String getRequiredButNotReallyRequiredVerifierLPr() { 2766 final Intent intent = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 2767 2768 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2769 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2770 UserHandle.USER_SYSTEM); 2771 if (matches.size() == 1) { 2772 return matches.get(0).getComponentInfo().packageName; 2773 } else if (matches.size() == 0) { 2774 Log.e(TAG, "There should probably be a verifier, but, none were found"); 2775 return null; 2776 } 2777 throw new RuntimeException("There must be exactly one verifier; found " + matches); 2778 } 2779 2780 private @NonNull String getRequiredSharedLibraryLPr(String libraryName) { 2781 synchronized (mPackages) { 2782 SharedLibraryEntry libraryEntry = mSharedLibraries.get(libraryName); 2783 if (libraryEntry == null) { 2784 throw new IllegalStateException("Missing required shared library:" + libraryName); 2785 } 2786 return libraryEntry.apk; 2787 } 2788 } 2789 2790 private @NonNull String getRequiredInstallerLPr() { 2791 final Intent intent = new Intent(Intent.ACTION_INSTALL_PACKAGE); 2792 intent.addCategory(Intent.CATEGORY_DEFAULT); 2793 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2794 2795 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 2796 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2797 UserHandle.USER_SYSTEM); 2798 if (matches.size() == 1) { 2799 ResolveInfo resolveInfo = matches.get(0); 2800 if (!resolveInfo.activityInfo.applicationInfo.isPrivilegedApp()) { 2801 throw new RuntimeException("The installer must be a privileged app"); 2802 } 2803 return matches.get(0).getComponentInfo().packageName; 2804 } else { 2805 throw new RuntimeException("There must be exactly one installer; found " + matches); 2806 } 2807 } 2808 2809 private @NonNull String getRequiredUninstallerLPr() { 2810 final Intent intent = new Intent(Intent.ACTION_UNINSTALL_PACKAGE); 2811 intent.addCategory(Intent.CATEGORY_DEFAULT); 2812 intent.setData(Uri.fromParts(PACKAGE_SCHEME, "foo.bar", null)); 2813 2814 final ResolveInfo resolveInfo = resolveIntent(intent, null, 2815 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2816 UserHandle.USER_SYSTEM); 2817 if (resolveInfo == null || 2818 mResolveActivity.name.equals(resolveInfo.getComponentInfo().name)) { 2819 throw new RuntimeException("There must be exactly one uninstaller; found " 2820 + resolveInfo); 2821 } 2822 return resolveInfo.getComponentInfo().packageName; 2823 } 2824 2825 private @NonNull ComponentName getIntentFilterVerifierComponentNameLPr() { 2826 final Intent intent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 2827 2828 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2829 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2830 UserHandle.USER_SYSTEM); 2831 ResolveInfo best = null; 2832 final int N = matches.size(); 2833 for (int i = 0; i < N; i++) { 2834 final ResolveInfo cur = matches.get(i); 2835 final String packageName = cur.getComponentInfo().packageName; 2836 if (checkPermission(android.Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 2837 packageName, UserHandle.USER_SYSTEM) != PackageManager.PERMISSION_GRANTED) { 2838 continue; 2839 } 2840 2841 if (best == null || cur.priority > best.priority) { 2842 best = cur; 2843 } 2844 } 2845 2846 if (best != null) { 2847 return best.getComponentInfo().getComponentName(); 2848 } else { 2849 throw new RuntimeException("There must be at least one intent filter verifier"); 2850 } 2851 } 2852 2853 private @Nullable ComponentName getEphemeralResolverLPr() { 2854 final String[] packageArray = 2855 mContext.getResources().getStringArray(R.array.config_ephemeralResolverPackage); 2856 if (packageArray.length == 0 && !Build.IS_DEBUGGABLE) { 2857 if (DEBUG_EPHEMERAL) { 2858 Slog.d(TAG, "Ephemeral resolver NOT found; empty package list"); 2859 } 2860 return null; 2861 } 2862 2863 final int resolveFlags = 2864 MATCH_DIRECT_BOOT_AWARE 2865 | MATCH_DIRECT_BOOT_UNAWARE 2866 | (!Build.IS_DEBUGGABLE ? MATCH_SYSTEM_ONLY : 0); 2867 final Intent resolverIntent = new Intent(Intent.ACTION_RESOLVE_EPHEMERAL_PACKAGE); 2868 final List<ResolveInfo> resolvers = queryIntentServicesInternal(resolverIntent, null, 2869 resolveFlags, UserHandle.USER_SYSTEM); 2870 2871 final int N = resolvers.size(); 2872 if (N == 0) { 2873 if (DEBUG_EPHEMERAL) { 2874 Slog.d(TAG, "Ephemeral resolver NOT found; no matching intent filters"); 2875 } 2876 return null; 2877 } 2878 2879 final Set<String> possiblePackages = new ArraySet<>(Arrays.asList(packageArray)); 2880 for (int i = 0; i < N; i++) { 2881 final ResolveInfo info = resolvers.get(i); 2882 2883 if (info.serviceInfo == null) { 2884 continue; 2885 } 2886 2887 final String packageName = info.serviceInfo.packageName; 2888 if (!possiblePackages.contains(packageName) && !Build.IS_DEBUGGABLE) { 2889 if (DEBUG_EPHEMERAL) { 2890 Slog.d(TAG, "Ephemeral resolver not in allowed package list;" 2891 + " pkg: " + packageName + ", info:" + info); 2892 } 2893 continue; 2894 } 2895 2896 if (DEBUG_EPHEMERAL) { 2897 Slog.v(TAG, "Ephemeral resolver found;" 2898 + " pkg: " + packageName + ", info:" + info); 2899 } 2900 return new ComponentName(packageName, info.serviceInfo.name); 2901 } 2902 if (DEBUG_EPHEMERAL) { 2903 Slog.v(TAG, "Ephemeral resolver NOT found"); 2904 } 2905 return null; 2906 } 2907 2908 private @Nullable ComponentName getEphemeralInstallerLPr() { 2909 final Intent intent = new Intent(Intent.ACTION_INSTALL_EPHEMERAL_PACKAGE); 2910 intent.addCategory(Intent.CATEGORY_DEFAULT); 2911 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2912 2913 final int resolveFlags = 2914 MATCH_DIRECT_BOOT_AWARE 2915 | MATCH_DIRECT_BOOT_UNAWARE 2916 | (!Build.IS_DEBUGGABLE ? MATCH_SYSTEM_ONLY : 0); 2917 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 2918 resolveFlags, UserHandle.USER_SYSTEM); 2919 if (matches.size() == 0) { 2920 return null; 2921 } else if (matches.size() == 1) { 2922 return matches.get(0).getComponentInfo().getComponentName(); 2923 } else { 2924 throw new RuntimeException( 2925 "There must be at most one ephemeral installer; found " + matches); 2926 } 2927 } 2928 2929 private void primeDomainVerificationsLPw(int userId) { 2930 if (DEBUG_DOMAIN_VERIFICATION) { 2931 Slog.d(TAG, "Priming domain verifications in user " + userId); 2932 } 2933 2934 SystemConfig systemConfig = SystemConfig.getInstance(); 2935 ArraySet<String> packages = systemConfig.getLinkedApps(); 2936 ArraySet<String> domains = new ArraySet<String>(); 2937 2938 for (String packageName : packages) { 2939 PackageParser.Package pkg = mPackages.get(packageName); 2940 if (pkg != null) { 2941 if (!pkg.isSystemApp()) { 2942 Slog.w(TAG, "Non-system app '" + packageName + "' in sysconfig <app-link>"); 2943 continue; 2944 } 2945 2946 domains.clear(); 2947 for (PackageParser.Activity a : pkg.activities) { 2948 for (ActivityIntentInfo filter : a.intents) { 2949 if (hasValidDomains(filter)) { 2950 domains.addAll(filter.getHostsList()); 2951 } 2952 } 2953 } 2954 2955 if (domains.size() > 0) { 2956 if (DEBUG_DOMAIN_VERIFICATION) { 2957 Slog.v(TAG, " + " + packageName); 2958 } 2959 // 'Undefined' in the global IntentFilterVerificationInfo, i.e. the usual 2960 // state w.r.t. the formal app-linkage "no verification attempted" state; 2961 // and then 'always' in the per-user state actually used for intent resolution. 2962 final IntentFilterVerificationInfo ivi; 2963 ivi = mSettings.createIntentFilterVerificationIfNeededLPw(packageName, 2964 new ArrayList<String>(domains)); 2965 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED); 2966 mSettings.updateIntentFilterVerificationStatusLPw(packageName, 2967 INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, userId); 2968 } else { 2969 Slog.w(TAG, "Sysconfig <app-link> package '" + packageName 2970 + "' does not handle web links"); 2971 } 2972 } else { 2973 Slog.w(TAG, "Unknown package " + packageName + " in sysconfig <app-link>"); 2974 } 2975 } 2976 2977 scheduleWritePackageRestrictionsLocked(userId); 2978 scheduleWriteSettingsLocked(); 2979 } 2980 2981 private void applyFactoryDefaultBrowserLPw(int userId) { 2982 // The default browser app's package name is stored in a string resource, 2983 // with a product-specific overlay used for vendor customization. 2984 String browserPkg = mContext.getResources().getString( 2985 com.android.internal.R.string.default_browser); 2986 if (!TextUtils.isEmpty(browserPkg)) { 2987 // non-empty string => required to be a known package 2988 PackageSetting ps = mSettings.mPackages.get(browserPkg); 2989 if (ps == null) { 2990 Slog.e(TAG, "Product default browser app does not exist: " + browserPkg); 2991 browserPkg = null; 2992 } else { 2993 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 2994 } 2995 } 2996 2997 // Nothing valid explicitly set? Make the factory-installed browser the explicit 2998 // default. If there's more than one, just leave everything alone. 2999 if (browserPkg == null) { 3000 calculateDefaultBrowserLPw(userId); 3001 } 3002 } 3003 3004 private void calculateDefaultBrowserLPw(int userId) { 3005 List<String> allBrowsers = resolveAllBrowserApps(userId); 3006 final String browserPkg = (allBrowsers.size() == 1) ? allBrowsers.get(0) : null; 3007 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 3008 } 3009 3010 private List<String> resolveAllBrowserApps(int userId) { 3011 // Resolve the canonical browser intent and check that the handleAllWebDataURI boolean is set 3012 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 3013 PackageManager.MATCH_ALL, userId); 3014 3015 final int count = list.size(); 3016 List<String> result = new ArrayList<String>(count); 3017 for (int i=0; i<count; i++) { 3018 ResolveInfo info = list.get(i); 3019 if (info.activityInfo == null 3020 || !info.handleAllWebDataURI 3021 || (info.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0 3022 || result.contains(info.activityInfo.packageName)) { 3023 continue; 3024 } 3025 result.add(info.activityInfo.packageName); 3026 } 3027 3028 return result; 3029 } 3030 3031 private boolean packageIsBrowser(String packageName, int userId) { 3032 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 3033 PackageManager.MATCH_ALL, userId); 3034 final int N = list.size(); 3035 for (int i = 0; i < N; i++) { 3036 ResolveInfo info = list.get(i); 3037 if (packageName.equals(info.activityInfo.packageName)) { 3038 return true; 3039 } 3040 } 3041 return false; 3042 } 3043 3044 private void checkDefaultBrowser() { 3045 final int myUserId = UserHandle.myUserId(); 3046 final String packageName = getDefaultBrowserPackageName(myUserId); 3047 if (packageName != null) { 3048 PackageInfo info = getPackageInfo(packageName, 0, myUserId); 3049 if (info == null) { 3050 Slog.w(TAG, "Default browser no longer installed: " + packageName); 3051 synchronized (mPackages) { 3052 applyFactoryDefaultBrowserLPw(myUserId); // leaves ambiguous when > 1 3053 } 3054 } 3055 } 3056 } 3057 3058 @Override 3059 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 3060 throws RemoteException { 3061 try { 3062 return super.onTransact(code, data, reply, flags); 3063 } catch (RuntimeException e) { 3064 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 3065 Slog.wtf(TAG, "Package Manager Crash", e); 3066 } 3067 throw e; 3068 } 3069 } 3070 3071 static int[] appendInts(int[] cur, int[] add) { 3072 if (add == null) return cur; 3073 if (cur == null) return add; 3074 final int N = add.length; 3075 for (int i=0; i<N; i++) { 3076 cur = appendInt(cur, add[i]); 3077 } 3078 return cur; 3079 } 3080 3081 private PackageInfo generatePackageInfo(PackageSetting ps, int flags, int userId) { 3082 if (!sUserManager.exists(userId)) return null; 3083 if (ps == null) { 3084 return null; 3085 } 3086 final PackageParser.Package p = ps.pkg; 3087 if (p == null) { 3088 return null; 3089 } 3090 3091 final PermissionsState permissionsState = ps.getPermissionsState(); 3092 3093 // Compute GIDs only if requested 3094 final int[] gids = (flags & PackageManager.GET_GIDS) == 0 3095 ? EMPTY_INT_ARRAY : permissionsState.computeGids(userId); 3096 // Compute granted permissions only if package has requested permissions 3097 final Set<String> permissions = ArrayUtils.isEmpty(p.requestedPermissions) 3098 ? Collections.<String>emptySet() : permissionsState.getPermissions(userId); 3099 final PackageUserState state = ps.readUserState(userId); 3100 3101 return PackageParser.generatePackageInfo(p, gids, flags, 3102 ps.firstInstallTime, ps.lastUpdateTime, permissions, state, userId); 3103 } 3104 3105 @Override 3106 public void checkPackageStartable(String packageName, int userId) { 3107 final boolean userKeyUnlocked = StorageManager.isUserKeyUnlocked(userId); 3108 3109 synchronized (mPackages) { 3110 final PackageSetting ps = mSettings.mPackages.get(packageName); 3111 if (ps == null) { 3112 throw new SecurityException("Package " + packageName + " was not found!"); 3113 } 3114 3115 if (!ps.getInstalled(userId)) { 3116 throw new SecurityException( 3117 "Package " + packageName + " was not installed for user " + userId + "!"); 3118 } 3119 3120 if (mSafeMode && !ps.isSystem()) { 3121 throw new SecurityException("Package " + packageName + " not a system app!"); 3122 } 3123 3124 if (mFrozenPackages.contains(packageName)) { 3125 throw new SecurityException("Package " + packageName + " is currently frozen!"); 3126 } 3127 3128 if (!userKeyUnlocked && !(ps.pkg.applicationInfo.isDirectBootAware() 3129 || ps.pkg.applicationInfo.isPartiallyDirectBootAware())) { 3130 throw new SecurityException("Package " + packageName + " is not encryption aware!"); 3131 } 3132 } 3133 } 3134 3135 @Override 3136 public boolean isPackageAvailable(String packageName, int userId) { 3137 if (!sUserManager.exists(userId)) return false; 3138 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3139 false /* requireFullPermission */, false /* checkShell */, "is package available"); 3140 synchronized (mPackages) { 3141 PackageParser.Package p = mPackages.get(packageName); 3142 if (p != null) { 3143 final PackageSetting ps = (PackageSetting) p.mExtras; 3144 if (ps != null) { 3145 final PackageUserState state = ps.readUserState(userId); 3146 if (state != null) { 3147 return PackageParser.isAvailable(state); 3148 } 3149 } 3150 } 3151 } 3152 return false; 3153 } 3154 3155 @Override 3156 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 3157 if (!sUserManager.exists(userId)) return null; 3158 flags = updateFlagsForPackage(flags, userId, packageName); 3159 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3160 false /* requireFullPermission */, false /* checkShell */, "get package info"); 3161 // reader 3162 synchronized (mPackages) { 3163 final boolean matchFactoryOnly = (flags & MATCH_FACTORY_ONLY) != 0; 3164 PackageParser.Package p = null; 3165 if (matchFactoryOnly) { 3166 final PackageSetting ps = mSettings.getDisabledSystemPkgLPr(packageName); 3167 if (ps != null) { 3168 return generatePackageInfo(ps, flags, userId); 3169 } 3170 } 3171 if (p == null) { 3172 p = mPackages.get(packageName); 3173 if (matchFactoryOnly && p != null && !isSystemApp(p)) { 3174 return null; 3175 } 3176 } 3177 if (DEBUG_PACKAGE_INFO) 3178 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 3179 if (p != null) { 3180 return generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 3181 } 3182 if (!matchFactoryOnly && (flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3183 final PackageSetting ps = mSettings.mPackages.get(packageName); 3184 return generatePackageInfo(ps, flags, userId); 3185 } 3186 } 3187 return null; 3188 } 3189 3190 @Override 3191 public String[] currentToCanonicalPackageNames(String[] names) { 3192 String[] out = new String[names.length]; 3193 // reader 3194 synchronized (mPackages) { 3195 for (int i=names.length-1; i>=0; i--) { 3196 PackageSetting ps = mSettings.mPackages.get(names[i]); 3197 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 3198 } 3199 } 3200 return out; 3201 } 3202 3203 @Override 3204 public String[] canonicalToCurrentPackageNames(String[] names) { 3205 String[] out = new String[names.length]; 3206 // reader 3207 synchronized (mPackages) { 3208 for (int i=names.length-1; i>=0; i--) { 3209 String cur = mSettings.mRenamedPackages.get(names[i]); 3210 out[i] = cur != null ? cur : names[i]; 3211 } 3212 } 3213 return out; 3214 } 3215 3216 @Override 3217 public int getPackageUid(String packageName, int flags, int userId) { 3218 if (!sUserManager.exists(userId)) return -1; 3219 flags = updateFlagsForPackage(flags, userId, packageName); 3220 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3221 false /* requireFullPermission */, false /* checkShell */, "get package uid"); 3222 3223 // reader 3224 synchronized (mPackages) { 3225 final PackageParser.Package p = mPackages.get(packageName); 3226 if (p != null && p.isMatch(flags)) { 3227 return UserHandle.getUid(userId, p.applicationInfo.uid); 3228 } 3229 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3230 final PackageSetting ps = mSettings.mPackages.get(packageName); 3231 if (ps != null && ps.isMatch(flags)) { 3232 return UserHandle.getUid(userId, ps.appId); 3233 } 3234 } 3235 } 3236 3237 return -1; 3238 } 3239 3240 @Override 3241 public int[] getPackageGids(String packageName, int flags, int userId) { 3242 if (!sUserManager.exists(userId)) return null; 3243 flags = updateFlagsForPackage(flags, userId, packageName); 3244 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3245 false /* requireFullPermission */, false /* checkShell */, 3246 "getPackageGids"); 3247 3248 // reader 3249 synchronized (mPackages) { 3250 final PackageParser.Package p = mPackages.get(packageName); 3251 if (p != null && p.isMatch(flags)) { 3252 PackageSetting ps = (PackageSetting) p.mExtras; 3253 return ps.getPermissionsState().computeGids(userId); 3254 } 3255 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3256 final PackageSetting ps = mSettings.mPackages.get(packageName); 3257 if (ps != null && ps.isMatch(flags)) { 3258 return ps.getPermissionsState().computeGids(userId); 3259 } 3260 } 3261 } 3262 3263 return null; 3264 } 3265 3266 static PermissionInfo generatePermissionInfo(BasePermission bp, int flags) { 3267 if (bp.perm != null) { 3268 return PackageParser.generatePermissionInfo(bp.perm, flags); 3269 } 3270 PermissionInfo pi = new PermissionInfo(); 3271 pi.name = bp.name; 3272 pi.packageName = bp.sourcePackage; 3273 pi.nonLocalizedLabel = bp.name; 3274 pi.protectionLevel = bp.protectionLevel; 3275 return pi; 3276 } 3277 3278 @Override 3279 public PermissionInfo getPermissionInfo(String name, int flags) { 3280 // reader 3281 synchronized (mPackages) { 3282 final BasePermission p = mSettings.mPermissions.get(name); 3283 if (p != null) { 3284 return generatePermissionInfo(p, flags); 3285 } 3286 return null; 3287 } 3288 } 3289 3290 @Override 3291 public @Nullable ParceledListSlice<PermissionInfo> queryPermissionsByGroup(String group, 3292 int flags) { 3293 // reader 3294 synchronized (mPackages) { 3295 if (group != null && !mPermissionGroups.containsKey(group)) { 3296 // This is thrown as NameNotFoundException 3297 return null; 3298 } 3299 3300 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 3301 for (BasePermission p : mSettings.mPermissions.values()) { 3302 if (group == null) { 3303 if (p.perm == null || p.perm.info.group == null) { 3304 out.add(generatePermissionInfo(p, flags)); 3305 } 3306 } else { 3307 if (p.perm != null && group.equals(p.perm.info.group)) { 3308 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 3309 } 3310 } 3311 } 3312 return new ParceledListSlice<>(out); 3313 } 3314 } 3315 3316 @Override 3317 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 3318 // reader 3319 synchronized (mPackages) { 3320 return PackageParser.generatePermissionGroupInfo( 3321 mPermissionGroups.get(name), flags); 3322 } 3323 } 3324 3325 @Override 3326 public @NonNull ParceledListSlice<PermissionGroupInfo> getAllPermissionGroups(int flags) { 3327 // reader 3328 synchronized (mPackages) { 3329 final int N = mPermissionGroups.size(); 3330 ArrayList<PermissionGroupInfo> out 3331 = new ArrayList<PermissionGroupInfo>(N); 3332 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 3333 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 3334 } 3335 return new ParceledListSlice<>(out); 3336 } 3337 } 3338 3339 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 3340 int userId) { 3341 if (!sUserManager.exists(userId)) return null; 3342 PackageSetting ps = mSettings.mPackages.get(packageName); 3343 if (ps != null) { 3344 if (ps.pkg == null) { 3345 final PackageInfo pInfo = generatePackageInfo(ps, flags, userId); 3346 if (pInfo != null) { 3347 return pInfo.applicationInfo; 3348 } 3349 return null; 3350 } 3351 return PackageParser.generateApplicationInfo(ps.pkg, flags, 3352 ps.readUserState(userId), userId); 3353 } 3354 return null; 3355 } 3356 3357 @Override 3358 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 3359 if (!sUserManager.exists(userId)) return null; 3360 flags = updateFlagsForApplication(flags, userId, packageName); 3361 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3362 false /* requireFullPermission */, false /* checkShell */, "get application info"); 3363 // writer 3364 synchronized (mPackages) { 3365 PackageParser.Package p = mPackages.get(packageName); 3366 if (DEBUG_PACKAGE_INFO) Log.v( 3367 TAG, "getApplicationInfo " + packageName 3368 + ": " + p); 3369 if (p != null) { 3370 PackageSetting ps = mSettings.mPackages.get(packageName); 3371 if (ps == null) return null; 3372 // Note: isEnabledLP() does not apply here - always return info 3373 return PackageParser.generateApplicationInfo( 3374 p, flags, ps.readUserState(userId), userId); 3375 } 3376 if ("android".equals(packageName)||"system".equals(packageName)) { 3377 return mAndroidApplication; 3378 } 3379 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3380 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 3381 } 3382 } 3383 return null; 3384 } 3385 3386 @Override 3387 public void freeStorageAndNotify(final String volumeUuid, final long freeStorageSize, 3388 final IPackageDataObserver observer) { 3389 mContext.enforceCallingOrSelfPermission( 3390 android.Manifest.permission.CLEAR_APP_CACHE, null); 3391 // Queue up an async operation since clearing cache may take a little while. 3392 mHandler.post(new Runnable() { 3393 public void run() { 3394 mHandler.removeCallbacks(this); 3395 boolean success = true; 3396 synchronized (mInstallLock) { 3397 try { 3398 mInstaller.freeCache(volumeUuid, freeStorageSize, 0); 3399 } catch (InstallerException e) { 3400 Slog.w(TAG, "Couldn't clear application caches: " + e); 3401 success = false; 3402 } 3403 } 3404 if (observer != null) { 3405 try { 3406 observer.onRemoveCompleted(null, success); 3407 } catch (RemoteException e) { 3408 Slog.w(TAG, "RemoveException when invoking call back"); 3409 } 3410 } 3411 } 3412 }); 3413 } 3414 3415 @Override 3416 public void freeStorage(final String volumeUuid, final long freeStorageSize, 3417 final IntentSender pi) { 3418 mContext.enforceCallingOrSelfPermission( 3419 android.Manifest.permission.CLEAR_APP_CACHE, null); 3420 // Queue up an async operation since clearing cache may take a little while. 3421 mHandler.post(new Runnable() { 3422 public void run() { 3423 mHandler.removeCallbacks(this); 3424 boolean success = true; 3425 synchronized (mInstallLock) { 3426 try { 3427 mInstaller.freeCache(volumeUuid, freeStorageSize, 0); 3428 } catch (InstallerException e) { 3429 Slog.w(TAG, "Couldn't clear application caches: " + e); 3430 success = false; 3431 } 3432 } 3433 if(pi != null) { 3434 try { 3435 // Callback via pending intent 3436 int code = success ? 1 : 0; 3437 pi.sendIntent(null, code, null, 3438 null, null); 3439 } catch (SendIntentException e1) { 3440 Slog.i(TAG, "Failed to send pending intent"); 3441 } 3442 } 3443 } 3444 }); 3445 } 3446 3447 void freeStorage(String volumeUuid, long freeStorageSize) throws IOException { 3448 synchronized (mInstallLock) { 3449 try { 3450 mInstaller.freeCache(volumeUuid, freeStorageSize, 0); 3451 } catch (InstallerException e) { 3452 throw new IOException("Failed to free enough space", e); 3453 } 3454 } 3455 } 3456 3457 /** 3458 * Update given flags based on encryption status of current user. 3459 */ 3460 private int updateFlags(int flags, int userId) { 3461 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3462 | PackageManager.MATCH_DIRECT_BOOT_AWARE)) != 0) { 3463 // Caller expressed an explicit opinion about what encryption 3464 // aware/unaware components they want to see, so fall through and 3465 // give them what they want 3466 } else { 3467 // Caller expressed no opinion, so match based on user state 3468 if (getUserManagerInternal().isUserUnlockingOrUnlocked(userId)) { 3469 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE; 3470 } else { 3471 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE; 3472 } 3473 } 3474 return flags; 3475 } 3476 3477 private UserManagerInternal getUserManagerInternal() { 3478 if (mUserManagerInternal == null) { 3479 mUserManagerInternal = LocalServices.getService(UserManagerInternal.class); 3480 } 3481 return mUserManagerInternal; 3482 } 3483 3484 /** 3485 * Update given flags when being used to request {@link PackageInfo}. 3486 */ 3487 private int updateFlagsForPackage(int flags, int userId, Object cookie) { 3488 boolean triaged = true; 3489 if ((flags & (PackageManager.GET_ACTIVITIES | PackageManager.GET_RECEIVERS 3490 | PackageManager.GET_SERVICES | PackageManager.GET_PROVIDERS)) != 0) { 3491 // Caller is asking for component details, so they'd better be 3492 // asking for specific encryption matching behavior, or be triaged 3493 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3494 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3495 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3496 triaged = false; 3497 } 3498 } 3499 if ((flags & (PackageManager.MATCH_UNINSTALLED_PACKAGES 3500 | PackageManager.MATCH_SYSTEM_ONLY 3501 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3502 triaged = false; 3503 } 3504 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3505 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3506 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3507 } 3508 return updateFlags(flags, userId); 3509 } 3510 3511 /** 3512 * Update given flags when being used to request {@link ApplicationInfo}. 3513 */ 3514 private int updateFlagsForApplication(int flags, int userId, Object cookie) { 3515 return updateFlagsForPackage(flags, userId, cookie); 3516 } 3517 3518 /** 3519 * Update given flags when being used to request {@link ComponentInfo}. 3520 */ 3521 private int updateFlagsForComponent(int flags, int userId, Object cookie) { 3522 if (cookie instanceof Intent) { 3523 if ((((Intent) cookie).getFlags() & Intent.FLAG_DEBUG_TRIAGED_MISSING) != 0) { 3524 flags |= PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 3525 } 3526 } 3527 3528 boolean triaged = true; 3529 // Caller is asking for component details, so they'd better be 3530 // asking for specific encryption matching behavior, or be triaged 3531 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3532 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3533 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3534 triaged = false; 3535 } 3536 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3537 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3538 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3539 } 3540 3541 return updateFlags(flags, userId); 3542 } 3543 3544 /** 3545 * Update given flags when being used to request {@link ResolveInfo}. 3546 */ 3547 int updateFlagsForResolve(int flags, int userId, Object cookie) { 3548 // Safe mode means we shouldn't match any third-party components 3549 if (mSafeMode) { 3550 flags |= PackageManager.MATCH_SYSTEM_ONLY; 3551 } 3552 3553 return updateFlagsForComponent(flags, userId, cookie); 3554 } 3555 3556 @Override 3557 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 3558 if (!sUserManager.exists(userId)) return null; 3559 flags = updateFlagsForComponent(flags, userId, component); 3560 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3561 false /* requireFullPermission */, false /* checkShell */, "get activity info"); 3562 synchronized (mPackages) { 3563 PackageParser.Activity a = mActivities.mActivities.get(component); 3564 3565 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 3566 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3567 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3568 if (ps == null) return null; 3569 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3570 userId); 3571 } 3572 if (mResolveComponentName.equals(component)) { 3573 return PackageParser.generateActivityInfo(mResolveActivity, flags, 3574 new PackageUserState(), userId); 3575 } 3576 } 3577 return null; 3578 } 3579 3580 @Override 3581 public boolean activitySupportsIntent(ComponentName component, Intent intent, 3582 String resolvedType) { 3583 synchronized (mPackages) { 3584 if (component.equals(mResolveComponentName)) { 3585 // The resolver supports EVERYTHING! 3586 return true; 3587 } 3588 PackageParser.Activity a = mActivities.mActivities.get(component); 3589 if (a == null) { 3590 return false; 3591 } 3592 for (int i=0; i<a.intents.size(); i++) { 3593 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 3594 intent.getData(), intent.getCategories(), TAG) >= 0) { 3595 return true; 3596 } 3597 } 3598 return false; 3599 } 3600 } 3601 3602 @Override 3603 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 3604 if (!sUserManager.exists(userId)) return null; 3605 flags = updateFlagsForComponent(flags, userId, component); 3606 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3607 false /* requireFullPermission */, false /* checkShell */, "get receiver info"); 3608 synchronized (mPackages) { 3609 PackageParser.Activity a = mReceivers.mActivities.get(component); 3610 if (DEBUG_PACKAGE_INFO) Log.v( 3611 TAG, "getReceiverInfo " + component + ": " + a); 3612 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3613 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3614 if (ps == null) return null; 3615 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3616 userId); 3617 } 3618 } 3619 return null; 3620 } 3621 3622 @Override 3623 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 3624 if (!sUserManager.exists(userId)) return null; 3625 flags = updateFlagsForComponent(flags, userId, component); 3626 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3627 false /* requireFullPermission */, false /* checkShell */, "get service info"); 3628 synchronized (mPackages) { 3629 PackageParser.Service s = mServices.mServices.get(component); 3630 if (DEBUG_PACKAGE_INFO) Log.v( 3631 TAG, "getServiceInfo " + component + ": " + s); 3632 if (s != null && mSettings.isEnabledAndMatchLPr(s.info, flags, userId)) { 3633 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3634 if (ps == null) return null; 3635 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 3636 userId); 3637 } 3638 } 3639 return null; 3640 } 3641 3642 @Override 3643 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 3644 if (!sUserManager.exists(userId)) return null; 3645 flags = updateFlagsForComponent(flags, userId, component); 3646 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3647 false /* requireFullPermission */, false /* checkShell */, "get provider info"); 3648 synchronized (mPackages) { 3649 PackageParser.Provider p = mProviders.mProviders.get(component); 3650 if (DEBUG_PACKAGE_INFO) Log.v( 3651 TAG, "getProviderInfo " + component + ": " + p); 3652 if (p != null && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 3653 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3654 if (ps == null) return null; 3655 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 3656 userId); 3657 } 3658 } 3659 return null; 3660 } 3661 3662 @Override 3663 public String[] getSystemSharedLibraryNames() { 3664 Set<String> libSet; 3665 synchronized (mPackages) { 3666 libSet = mSharedLibraries.keySet(); 3667 int size = libSet.size(); 3668 if (size > 0) { 3669 String[] libs = new String[size]; 3670 libSet.toArray(libs); 3671 return libs; 3672 } 3673 } 3674 return null; 3675 } 3676 3677 @Override 3678 public @NonNull String getServicesSystemSharedLibraryPackageName() { 3679 synchronized (mPackages) { 3680 return mServicesSystemSharedLibraryPackageName; 3681 } 3682 } 3683 3684 @Override 3685 public @NonNull String getSharedSystemSharedLibraryPackageName() { 3686 synchronized (mPackages) { 3687 return mSharedSystemSharedLibraryPackageName; 3688 } 3689 } 3690 3691 @Override 3692 public @NonNull ParceledListSlice<FeatureInfo> getSystemAvailableFeatures() { 3693 synchronized (mPackages) { 3694 final ArrayList<FeatureInfo> res = new ArrayList<>(mAvailableFeatures.values()); 3695 3696 final FeatureInfo fi = new FeatureInfo(); 3697 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 3698 FeatureInfo.GL_ES_VERSION_UNDEFINED); 3699 res.add(fi); 3700 3701 return new ParceledListSlice<>(res); 3702 } 3703 } 3704 3705 @Override 3706 public boolean hasSystemFeature(String name, int version) { 3707 synchronized (mPackages) { 3708 final FeatureInfo feat = mAvailableFeatures.get(name); 3709 if (feat == null) { 3710 return false; 3711 } else { 3712 return feat.version >= version; 3713 } 3714 } 3715 } 3716 3717 @Override 3718 public int checkPermission(String permName, String pkgName, int userId) { 3719 if (!sUserManager.exists(userId)) { 3720 return PackageManager.PERMISSION_DENIED; 3721 } 3722 3723 synchronized (mPackages) { 3724 final PackageParser.Package p = mPackages.get(pkgName); 3725 if (p != null && p.mExtras != null) { 3726 final PackageSetting ps = (PackageSetting) p.mExtras; 3727 final PermissionsState permissionsState = ps.getPermissionsState(); 3728 if (permissionsState.hasPermission(permName, userId)) { 3729 return PackageManager.PERMISSION_GRANTED; 3730 } 3731 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3732 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3733 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3734 return PackageManager.PERMISSION_GRANTED; 3735 } 3736 } 3737 } 3738 3739 return PackageManager.PERMISSION_DENIED; 3740 } 3741 3742 @Override 3743 public int checkUidPermission(String permName, int uid) { 3744 final int userId = UserHandle.getUserId(uid); 3745 3746 if (!sUserManager.exists(userId)) { 3747 return PackageManager.PERMISSION_DENIED; 3748 } 3749 3750 synchronized (mPackages) { 3751 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 3752 if (obj != null) { 3753 final SettingBase ps = (SettingBase) obj; 3754 final PermissionsState permissionsState = ps.getPermissionsState(); 3755 if (permissionsState.hasPermission(permName, userId)) { 3756 return PackageManager.PERMISSION_GRANTED; 3757 } 3758 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3759 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3760 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3761 return PackageManager.PERMISSION_GRANTED; 3762 } 3763 } else { 3764 ArraySet<String> perms = mSystemPermissions.get(uid); 3765 if (perms != null) { 3766 if (perms.contains(permName)) { 3767 return PackageManager.PERMISSION_GRANTED; 3768 } 3769 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && perms 3770 .contains(Manifest.permission.ACCESS_FINE_LOCATION)) { 3771 return PackageManager.PERMISSION_GRANTED; 3772 } 3773 } 3774 } 3775 } 3776 3777 return PackageManager.PERMISSION_DENIED; 3778 } 3779 3780 @Override 3781 public boolean isPermissionRevokedByPolicy(String permission, String packageName, int userId) { 3782 if (UserHandle.getCallingUserId() != userId) { 3783 mContext.enforceCallingPermission( 3784 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 3785 "isPermissionRevokedByPolicy for user " + userId); 3786 } 3787 3788 if (checkPermission(permission, packageName, userId) 3789 == PackageManager.PERMISSION_GRANTED) { 3790 return false; 3791 } 3792 3793 final long identity = Binder.clearCallingIdentity(); 3794 try { 3795 final int flags = getPermissionFlags(permission, packageName, userId); 3796 return (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0; 3797 } finally { 3798 Binder.restoreCallingIdentity(identity); 3799 } 3800 } 3801 3802 @Override 3803 public String getPermissionControllerPackageName() { 3804 synchronized (mPackages) { 3805 return mRequiredInstallerPackage; 3806 } 3807 } 3808 3809 /** 3810 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 3811 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 3812 * @param checkShell whether to prevent shell from access if there's a debugging restriction 3813 * @param message the message to log on security exception 3814 */ 3815 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 3816 boolean checkShell, String message) { 3817 if (userId < 0) { 3818 throw new IllegalArgumentException("Invalid userId " + userId); 3819 } 3820 if (checkShell) { 3821 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId); 3822 } 3823 if (userId == UserHandle.getUserId(callingUid)) return; 3824 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 3825 if (requireFullPermission) { 3826 mContext.enforceCallingOrSelfPermission( 3827 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3828 } else { 3829 try { 3830 mContext.enforceCallingOrSelfPermission( 3831 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3832 } catch (SecurityException se) { 3833 mContext.enforceCallingOrSelfPermission( 3834 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 3835 } 3836 } 3837 } 3838 } 3839 3840 void enforceShellRestriction(String restriction, int callingUid, int userHandle) { 3841 if (callingUid == Process.SHELL_UID) { 3842 if (userHandle >= 0 3843 && sUserManager.hasUserRestriction(restriction, userHandle)) { 3844 throw new SecurityException("Shell does not have permission to access user " 3845 + userHandle); 3846 } else if (userHandle < 0) { 3847 Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t" 3848 + Debug.getCallers(3)); 3849 } 3850 } 3851 } 3852 3853 private BasePermission findPermissionTreeLP(String permName) { 3854 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 3855 if (permName.startsWith(bp.name) && 3856 permName.length() > bp.name.length() && 3857 permName.charAt(bp.name.length()) == '.') { 3858 return bp; 3859 } 3860 } 3861 return null; 3862 } 3863 3864 private BasePermission checkPermissionTreeLP(String permName) { 3865 if (permName != null) { 3866 BasePermission bp = findPermissionTreeLP(permName); 3867 if (bp != null) { 3868 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 3869 return bp; 3870 } 3871 throw new SecurityException("Calling uid " 3872 + Binder.getCallingUid() 3873 + " is not allowed to add to permission tree " 3874 + bp.name + " owned by uid " + bp.uid); 3875 } 3876 } 3877 throw new SecurityException("No permission tree found for " + permName); 3878 } 3879 3880 static boolean compareStrings(CharSequence s1, CharSequence s2) { 3881 if (s1 == null) { 3882 return s2 == null; 3883 } 3884 if (s2 == null) { 3885 return false; 3886 } 3887 if (s1.getClass() != s2.getClass()) { 3888 return false; 3889 } 3890 return s1.equals(s2); 3891 } 3892 3893 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 3894 if (pi1.icon != pi2.icon) return false; 3895 if (pi1.logo != pi2.logo) return false; 3896 if (pi1.protectionLevel != pi2.protectionLevel) return false; 3897 if (!compareStrings(pi1.name, pi2.name)) return false; 3898 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 3899 // We'll take care of setting this one. 3900 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 3901 // These are not currently stored in settings. 3902 //if (!compareStrings(pi1.group, pi2.group)) return false; 3903 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 3904 //if (pi1.labelRes != pi2.labelRes) return false; 3905 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 3906 return true; 3907 } 3908 3909 int permissionInfoFootprint(PermissionInfo info) { 3910 int size = info.name.length(); 3911 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 3912 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 3913 return size; 3914 } 3915 3916 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 3917 int size = 0; 3918 for (BasePermission perm : mSettings.mPermissions.values()) { 3919 if (perm.uid == tree.uid) { 3920 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 3921 } 3922 } 3923 return size; 3924 } 3925 3926 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 3927 // We calculate the max size of permissions defined by this uid and throw 3928 // if that plus the size of 'info' would exceed our stated maximum. 3929 if (tree.uid != Process.SYSTEM_UID) { 3930 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 3931 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 3932 throw new SecurityException("Permission tree size cap exceeded"); 3933 } 3934 } 3935 } 3936 3937 boolean addPermissionLocked(PermissionInfo info, boolean async) { 3938 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 3939 throw new SecurityException("Label must be specified in permission"); 3940 } 3941 BasePermission tree = checkPermissionTreeLP(info.name); 3942 BasePermission bp = mSettings.mPermissions.get(info.name); 3943 boolean added = bp == null; 3944 boolean changed = true; 3945 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 3946 if (added) { 3947 enforcePermissionCapLocked(info, tree); 3948 bp = new BasePermission(info.name, tree.sourcePackage, 3949 BasePermission.TYPE_DYNAMIC); 3950 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 3951 throw new SecurityException( 3952 "Not allowed to modify non-dynamic permission " 3953 + info.name); 3954 } else { 3955 if (bp.protectionLevel == fixedLevel 3956 && bp.perm.owner.equals(tree.perm.owner) 3957 && bp.uid == tree.uid 3958 && comparePermissionInfos(bp.perm.info, info)) { 3959 changed = false; 3960 } 3961 } 3962 bp.protectionLevel = fixedLevel; 3963 info = new PermissionInfo(info); 3964 info.protectionLevel = fixedLevel; 3965 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 3966 bp.perm.info.packageName = tree.perm.info.packageName; 3967 bp.uid = tree.uid; 3968 if (added) { 3969 mSettings.mPermissions.put(info.name, bp); 3970 } 3971 if (changed) { 3972 if (!async) { 3973 mSettings.writeLPr(); 3974 } else { 3975 scheduleWriteSettingsLocked(); 3976 } 3977 } 3978 return added; 3979 } 3980 3981 @Override 3982 public boolean addPermission(PermissionInfo info) { 3983 synchronized (mPackages) { 3984 return addPermissionLocked(info, false); 3985 } 3986 } 3987 3988 @Override 3989 public boolean addPermissionAsync(PermissionInfo info) { 3990 synchronized (mPackages) { 3991 return addPermissionLocked(info, true); 3992 } 3993 } 3994 3995 @Override 3996 public void removePermission(String name) { 3997 synchronized (mPackages) { 3998 checkPermissionTreeLP(name); 3999 BasePermission bp = mSettings.mPermissions.get(name); 4000 if (bp != null) { 4001 if (bp.type != BasePermission.TYPE_DYNAMIC) { 4002 throw new SecurityException( 4003 "Not allowed to modify non-dynamic permission " 4004 + name); 4005 } 4006 mSettings.mPermissions.remove(name); 4007 mSettings.writeLPr(); 4008 } 4009 } 4010 } 4011 4012 private static void enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(PackageParser.Package pkg, 4013 BasePermission bp) { 4014 int index = pkg.requestedPermissions.indexOf(bp.name); 4015 if (index == -1) { 4016 throw new SecurityException("Package " + pkg.packageName 4017 + " has not requested permission " + bp.name); 4018 } 4019 if (!bp.isRuntime() && !bp.isDevelopment()) { 4020 throw new SecurityException("Permission " + bp.name 4021 + " is not a changeable permission type"); 4022 } 4023 } 4024 4025 @Override 4026 public void grantRuntimePermission(String packageName, String name, final int userId) { 4027 if (!sUserManager.exists(userId)) { 4028 Log.e(TAG, "No such user:" + userId); 4029 return; 4030 } 4031 4032 mContext.enforceCallingOrSelfPermission( 4033 android.Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 4034 "grantRuntimePermission"); 4035 4036 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4037 true /* requireFullPermission */, true /* checkShell */, 4038 "grantRuntimePermission"); 4039 4040 final int uid; 4041 final SettingBase sb; 4042 4043 synchronized (mPackages) { 4044 final PackageParser.Package pkg = mPackages.get(packageName); 4045 if (pkg == null) { 4046 throw new IllegalArgumentException("Unknown package: " + packageName); 4047 } 4048 4049 final BasePermission bp = mSettings.mPermissions.get(name); 4050 if (bp == null) { 4051 throw new IllegalArgumentException("Unknown permission: " + name); 4052 } 4053 4054 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 4055 4056 // If a permission review is required for legacy apps we represent 4057 // their permissions as always granted runtime ones since we need 4058 // to keep the review required permission flag per user while an 4059 // install permission's state is shared across all users. 4060 if ((mPermissionReviewRequired || Build.PERMISSIONS_REVIEW_REQUIRED) 4061 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 4062 && bp.isRuntime()) { 4063 return; 4064 } 4065 4066 uid = UserHandle.getUid(userId, pkg.applicationInfo.uid); 4067 sb = (SettingBase) pkg.mExtras; 4068 if (sb == null) { 4069 throw new IllegalArgumentException("Unknown package: " + packageName); 4070 } 4071 4072 final PermissionsState permissionsState = sb.getPermissionsState(); 4073 4074 final int flags = permissionsState.getPermissionFlags(name, userId); 4075 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4076 throw new SecurityException("Cannot grant system fixed permission " 4077 + name + " for package " + packageName); 4078 } 4079 4080 if (bp.isDevelopment()) { 4081 // Development permissions must be handled specially, since they are not 4082 // normal runtime permissions. For now they apply to all users. 4083 if (permissionsState.grantInstallPermission(bp) != 4084 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4085 scheduleWriteSettingsLocked(); 4086 } 4087 return; 4088 } 4089 4090 if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 4091 Slog.w(TAG, "Cannot grant runtime permission to a legacy app"); 4092 return; 4093 } 4094 4095 final int result = permissionsState.grantRuntimePermission(bp, userId); 4096 switch (result) { 4097 case PermissionsState.PERMISSION_OPERATION_FAILURE: { 4098 return; 4099 } 4100 4101 case PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 4102 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4103 mHandler.post(new Runnable() { 4104 @Override 4105 public void run() { 4106 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 4107 } 4108 }); 4109 } 4110 break; 4111 } 4112 4113 mOnPermissionChangeListeners.onPermissionsChanged(uid); 4114 4115 // Not critical if that is lost - app has to request again. 4116 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4117 } 4118 4119 // Only need to do this if user is initialized. Otherwise it's a new user 4120 // and there are no processes running as the user yet and there's no need 4121 // to make an expensive call to remount processes for the changed permissions. 4122 if (READ_EXTERNAL_STORAGE.equals(name) 4123 || WRITE_EXTERNAL_STORAGE.equals(name)) { 4124 final long token = Binder.clearCallingIdentity(); 4125 try { 4126 if (sUserManager.isInitialized(userId)) { 4127 MountServiceInternal mountServiceInternal = LocalServices.getService( 4128 MountServiceInternal.class); 4129 mountServiceInternal.onExternalStoragePolicyChanged(uid, packageName); 4130 } 4131 } finally { 4132 Binder.restoreCallingIdentity(token); 4133 } 4134 } 4135 } 4136 4137 @Override 4138 public void revokeRuntimePermission(String packageName, String name, int userId) { 4139 if (!sUserManager.exists(userId)) { 4140 Log.e(TAG, "No such user:" + userId); 4141 return; 4142 } 4143 4144 mContext.enforceCallingOrSelfPermission( 4145 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4146 "revokeRuntimePermission"); 4147 4148 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4149 true /* requireFullPermission */, true /* checkShell */, 4150 "revokeRuntimePermission"); 4151 4152 final int appId; 4153 4154 synchronized (mPackages) { 4155 final PackageParser.Package pkg = mPackages.get(packageName); 4156 if (pkg == null) { 4157 throw new IllegalArgumentException("Unknown package: " + packageName); 4158 } 4159 4160 final BasePermission bp = mSettings.mPermissions.get(name); 4161 if (bp == null) { 4162 throw new IllegalArgumentException("Unknown permission: " + name); 4163 } 4164 4165 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 4166 4167 // If a permission review is required for legacy apps we represent 4168 // their permissions as always granted runtime ones since we need 4169 // to keep the review required permission flag per user while an 4170 // install permission's state is shared across all users. 4171 if ((mPermissionReviewRequired || Build.PERMISSIONS_REVIEW_REQUIRED) 4172 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 4173 && bp.isRuntime()) { 4174 return; 4175 } 4176 4177 SettingBase sb = (SettingBase) pkg.mExtras; 4178 if (sb == null) { 4179 throw new IllegalArgumentException("Unknown package: " + packageName); 4180 } 4181 4182 final PermissionsState permissionsState = sb.getPermissionsState(); 4183 4184 final int flags = permissionsState.getPermissionFlags(name, userId); 4185 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4186 throw new SecurityException("Cannot revoke system fixed permission " 4187 + name + " for package " + packageName); 4188 } 4189 4190 if (bp.isDevelopment()) { 4191 // Development permissions must be handled specially, since they are not 4192 // normal runtime permissions. For now they apply to all users. 4193 if (permissionsState.revokeInstallPermission(bp) != 4194 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4195 scheduleWriteSettingsLocked(); 4196 } 4197 return; 4198 } 4199 4200 if (permissionsState.revokeRuntimePermission(bp, userId) == 4201 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4202 return; 4203 } 4204 4205 mOnPermissionChangeListeners.onPermissionsChanged(pkg.applicationInfo.uid); 4206 4207 // Critical, after this call app should never have the permission. 4208 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 4209 4210 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4211 } 4212 4213 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 4214 } 4215 4216 @Override 4217 public void resetRuntimePermissions() { 4218 mContext.enforceCallingOrSelfPermission( 4219 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4220 "revokeRuntimePermission"); 4221 4222 int callingUid = Binder.getCallingUid(); 4223 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 4224 mContext.enforceCallingOrSelfPermission( 4225 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4226 "resetRuntimePermissions"); 4227 } 4228 4229 synchronized (mPackages) { 4230 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL); 4231 for (int userId : UserManagerService.getInstance().getUserIds()) { 4232 final int packageCount = mPackages.size(); 4233 for (int i = 0; i < packageCount; i++) { 4234 PackageParser.Package pkg = mPackages.valueAt(i); 4235 if (!(pkg.mExtras instanceof PackageSetting)) { 4236 continue; 4237 } 4238 PackageSetting ps = (PackageSetting) pkg.mExtras; 4239 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 4240 } 4241 } 4242 } 4243 } 4244 4245 @Override 4246 public int getPermissionFlags(String name, String packageName, int userId) { 4247 if (!sUserManager.exists(userId)) { 4248 return 0; 4249 } 4250 4251 enforceGrantRevokeRuntimePermissionPermissions("getPermissionFlags"); 4252 4253 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4254 true /* requireFullPermission */, false /* checkShell */, 4255 "getPermissionFlags"); 4256 4257 synchronized (mPackages) { 4258 final PackageParser.Package pkg = mPackages.get(packageName); 4259 if (pkg == null) { 4260 return 0; 4261 } 4262 4263 final BasePermission bp = mSettings.mPermissions.get(name); 4264 if (bp == null) { 4265 return 0; 4266 } 4267 4268 SettingBase sb = (SettingBase) pkg.mExtras; 4269 if (sb == null) { 4270 return 0; 4271 } 4272 4273 PermissionsState permissionsState = sb.getPermissionsState(); 4274 return permissionsState.getPermissionFlags(name, userId); 4275 } 4276 } 4277 4278 @Override 4279 public void updatePermissionFlags(String name, String packageName, int flagMask, 4280 int flagValues, int userId) { 4281 if (!sUserManager.exists(userId)) { 4282 return; 4283 } 4284 4285 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlags"); 4286 4287 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4288 true /* requireFullPermission */, true /* checkShell */, 4289 "updatePermissionFlags"); 4290 4291 // Only the system can change these flags and nothing else. 4292 if (getCallingUid() != Process.SYSTEM_UID) { 4293 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4294 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4295 flagMask &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4296 flagValues &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4297 flagValues &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 4298 } 4299 4300 synchronized (mPackages) { 4301 final PackageParser.Package pkg = mPackages.get(packageName); 4302 if (pkg == null) { 4303 throw new IllegalArgumentException("Unknown package: " + packageName); 4304 } 4305 4306 final BasePermission bp = mSettings.mPermissions.get(name); 4307 if (bp == null) { 4308 throw new IllegalArgumentException("Unknown permission: " + name); 4309 } 4310 4311 SettingBase sb = (SettingBase) pkg.mExtras; 4312 if (sb == null) { 4313 throw new IllegalArgumentException("Unknown package: " + packageName); 4314 } 4315 4316 PermissionsState permissionsState = sb.getPermissionsState(); 4317 4318 boolean hadState = permissionsState.getRuntimePermissionState(name, userId) != null; 4319 4320 if (permissionsState.updatePermissionFlags(bp, userId, flagMask, flagValues)) { 4321 // Install and runtime permissions are stored in different places, 4322 // so figure out what permission changed and persist the change. 4323 if (permissionsState.getInstallPermissionState(name) != null) { 4324 scheduleWriteSettingsLocked(); 4325 } else if (permissionsState.getRuntimePermissionState(name, userId) != null 4326 || hadState) { 4327 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4328 } 4329 } 4330 } 4331 } 4332 4333 /** 4334 * Update the permission flags for all packages and runtime permissions of a user in order 4335 * to allow device or profile owner to remove POLICY_FIXED. 4336 */ 4337 @Override 4338 public void updatePermissionFlagsForAllApps(int flagMask, int flagValues, int userId) { 4339 if (!sUserManager.exists(userId)) { 4340 return; 4341 } 4342 4343 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlagsForAllApps"); 4344 4345 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4346 true /* requireFullPermission */, true /* checkShell */, 4347 "updatePermissionFlagsForAllApps"); 4348 4349 // Only the system can change system fixed flags. 4350 if (getCallingUid() != Process.SYSTEM_UID) { 4351 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4352 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4353 } 4354 4355 synchronized (mPackages) { 4356 boolean changed = false; 4357 final int packageCount = mPackages.size(); 4358 for (int pkgIndex = 0; pkgIndex < packageCount; pkgIndex++) { 4359 final PackageParser.Package pkg = mPackages.valueAt(pkgIndex); 4360 SettingBase sb = (SettingBase) pkg.mExtras; 4361 if (sb == null) { 4362 continue; 4363 } 4364 PermissionsState permissionsState = sb.getPermissionsState(); 4365 changed |= permissionsState.updatePermissionFlagsForAllPermissions( 4366 userId, flagMask, flagValues); 4367 } 4368 if (changed) { 4369 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4370 } 4371 } 4372 } 4373 4374 private void enforceGrantRevokeRuntimePermissionPermissions(String message) { 4375 if (mContext.checkCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS) 4376 != PackageManager.PERMISSION_GRANTED 4377 && mContext.checkCallingOrSelfPermission(Manifest.permission.REVOKE_RUNTIME_PERMISSIONS) 4378 != PackageManager.PERMISSION_GRANTED) { 4379 throw new SecurityException(message + " requires " 4380 + Manifest.permission.GRANT_RUNTIME_PERMISSIONS + " or " 4381 + Manifest.permission.REVOKE_RUNTIME_PERMISSIONS); 4382 } 4383 } 4384 4385 @Override 4386 public boolean shouldShowRequestPermissionRationale(String permissionName, 4387 String packageName, int userId) { 4388 if (UserHandle.getCallingUserId() != userId) { 4389 mContext.enforceCallingPermission( 4390 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4391 "canShowRequestPermissionRationale for user " + userId); 4392 } 4393 4394 final int uid = getPackageUid(packageName, MATCH_DEBUG_TRIAGED_MISSING, userId); 4395 if (UserHandle.getAppId(getCallingUid()) != UserHandle.getAppId(uid)) { 4396 return false; 4397 } 4398 4399 if (checkPermission(permissionName, packageName, userId) 4400 == PackageManager.PERMISSION_GRANTED) { 4401 return false; 4402 } 4403 4404 final int flags; 4405 4406 final long identity = Binder.clearCallingIdentity(); 4407 try { 4408 flags = getPermissionFlags(permissionName, 4409 packageName, userId); 4410 } finally { 4411 Binder.restoreCallingIdentity(identity); 4412 } 4413 4414 final int fixedFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 4415 | PackageManager.FLAG_PERMISSION_POLICY_FIXED 4416 | PackageManager.FLAG_PERMISSION_USER_FIXED; 4417 4418 if ((flags & fixedFlags) != 0) { 4419 return false; 4420 } 4421 4422 return (flags & PackageManager.FLAG_PERMISSION_USER_SET) != 0; 4423 } 4424 4425 @Override 4426 public void addOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4427 mContext.enforceCallingOrSelfPermission( 4428 Manifest.permission.OBSERVE_GRANT_REVOKE_PERMISSIONS, 4429 "addOnPermissionsChangeListener"); 4430 4431 synchronized (mPackages) { 4432 mOnPermissionChangeListeners.addListenerLocked(listener); 4433 } 4434 } 4435 4436 @Override 4437 public void removeOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4438 synchronized (mPackages) { 4439 mOnPermissionChangeListeners.removeListenerLocked(listener); 4440 } 4441 } 4442 4443 @Override 4444 public boolean isProtectedBroadcast(String actionName) { 4445 synchronized (mPackages) { 4446 if (mProtectedBroadcasts.contains(actionName)) { 4447 return true; 4448 } else if (actionName != null) { 4449 // TODO: remove these terrible hacks 4450 if (actionName.startsWith("android.net.netmon.lingerExpired") 4451 || actionName.startsWith("com.android.server.sip.SipWakeupTimer") 4452 || actionName.startsWith("com.android.internal.telephony.data-reconnect") 4453 || actionName.startsWith("android.net.netmon.launchCaptivePortalApp")) { 4454 return true; 4455 } 4456 } 4457 } 4458 return false; 4459 } 4460 4461 @Override 4462 public int checkSignatures(String pkg1, String pkg2) { 4463 synchronized (mPackages) { 4464 final PackageParser.Package p1 = mPackages.get(pkg1); 4465 final PackageParser.Package p2 = mPackages.get(pkg2); 4466 if (p1 == null || p1.mExtras == null 4467 || p2 == null || p2.mExtras == null) { 4468 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4469 } 4470 return compareSignatures(p1.mSignatures, p2.mSignatures); 4471 } 4472 } 4473 4474 @Override 4475 public int checkUidSignatures(int uid1, int uid2) { 4476 // Map to base uids. 4477 uid1 = UserHandle.getAppId(uid1); 4478 uid2 = UserHandle.getAppId(uid2); 4479 // reader 4480 synchronized (mPackages) { 4481 Signature[] s1; 4482 Signature[] s2; 4483 Object obj = mSettings.getUserIdLPr(uid1); 4484 if (obj != null) { 4485 if (obj instanceof SharedUserSetting) { 4486 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 4487 } else if (obj instanceof PackageSetting) { 4488 s1 = ((PackageSetting)obj).signatures.mSignatures; 4489 } else { 4490 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4491 } 4492 } else { 4493 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4494 } 4495 obj = mSettings.getUserIdLPr(uid2); 4496 if (obj != null) { 4497 if (obj instanceof SharedUserSetting) { 4498 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 4499 } else if (obj instanceof PackageSetting) { 4500 s2 = ((PackageSetting)obj).signatures.mSignatures; 4501 } else { 4502 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4503 } 4504 } else { 4505 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4506 } 4507 return compareSignatures(s1, s2); 4508 } 4509 } 4510 4511 /** 4512 * This method should typically only be used when granting or revoking 4513 * permissions, since the app may immediately restart after this call. 4514 * <p> 4515 * If you're doing surgery on app code/data, use {@link PackageFreezer} to 4516 * guard your work against the app being relaunched. 4517 */ 4518 private void killUid(int appId, int userId, String reason) { 4519 final long identity = Binder.clearCallingIdentity(); 4520 try { 4521 IActivityManager am = ActivityManagerNative.getDefault(); 4522 if (am != null) { 4523 try { 4524 am.killUid(appId, userId, reason); 4525 } catch (RemoteException e) { 4526 /* ignore - same process */ 4527 } 4528 } 4529 } finally { 4530 Binder.restoreCallingIdentity(identity); 4531 } 4532 } 4533 4534 /** 4535 * Compares two sets of signatures. Returns: 4536 * <br /> 4537 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 4538 * <br /> 4539 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 4540 * <br /> 4541 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 4542 * <br /> 4543 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 4544 * <br /> 4545 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 4546 */ 4547 static int compareSignatures(Signature[] s1, Signature[] s2) { 4548 if (s1 == null) { 4549 return s2 == null 4550 ? PackageManager.SIGNATURE_NEITHER_SIGNED 4551 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 4552 } 4553 4554 if (s2 == null) { 4555 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 4556 } 4557 4558 if (s1.length != s2.length) { 4559 return PackageManager.SIGNATURE_NO_MATCH; 4560 } 4561 4562 // Since both signature sets are of size 1, we can compare without HashSets. 4563 if (s1.length == 1) { 4564 return s1[0].equals(s2[0]) ? 4565 PackageManager.SIGNATURE_MATCH : 4566 PackageManager.SIGNATURE_NO_MATCH; 4567 } 4568 4569 ArraySet<Signature> set1 = new ArraySet<Signature>(); 4570 for (Signature sig : s1) { 4571 set1.add(sig); 4572 } 4573 ArraySet<Signature> set2 = new ArraySet<Signature>(); 4574 for (Signature sig : s2) { 4575 set2.add(sig); 4576 } 4577 // Make sure s2 contains all signatures in s1. 4578 if (set1.equals(set2)) { 4579 return PackageManager.SIGNATURE_MATCH; 4580 } 4581 return PackageManager.SIGNATURE_NO_MATCH; 4582 } 4583 4584 /** 4585 * If the database version for this type of package (internal storage or 4586 * external storage) is less than the version where package signatures 4587 * were updated, return true. 4588 */ 4589 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4590 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4591 return ver.databaseVersion < DatabaseVersion.SIGNATURE_END_ENTITY; 4592 } 4593 4594 /** 4595 * Used for backward compatibility to make sure any packages with 4596 * certificate chains get upgraded to the new style. {@code existingSigs} 4597 * will be in the old format (since they were stored on disk from before the 4598 * system upgrade) and {@code scannedSigs} will be in the newer format. 4599 */ 4600 private int compareSignaturesCompat(PackageSignatures existingSigs, 4601 PackageParser.Package scannedPkg) { 4602 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 4603 return PackageManager.SIGNATURE_NO_MATCH; 4604 } 4605 4606 ArraySet<Signature> existingSet = new ArraySet<Signature>(); 4607 for (Signature sig : existingSigs.mSignatures) { 4608 existingSet.add(sig); 4609 } 4610 ArraySet<Signature> scannedCompatSet = new ArraySet<Signature>(); 4611 for (Signature sig : scannedPkg.mSignatures) { 4612 try { 4613 Signature[] chainSignatures = sig.getChainSignatures(); 4614 for (Signature chainSig : chainSignatures) { 4615 scannedCompatSet.add(chainSig); 4616 } 4617 } catch (CertificateEncodingException e) { 4618 scannedCompatSet.add(sig); 4619 } 4620 } 4621 /* 4622 * Make sure the expanded scanned set contains all signatures in the 4623 * existing one. 4624 */ 4625 if (scannedCompatSet.equals(existingSet)) { 4626 // Migrate the old signatures to the new scheme. 4627 existingSigs.assignSignatures(scannedPkg.mSignatures); 4628 // The new KeySets will be re-added later in the scanning process. 4629 synchronized (mPackages) { 4630 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 4631 } 4632 return PackageManager.SIGNATURE_MATCH; 4633 } 4634 return PackageManager.SIGNATURE_NO_MATCH; 4635 } 4636 4637 private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4638 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4639 return ver.databaseVersion < DatabaseVersion.SIGNATURE_MALFORMED_RECOVER; 4640 } 4641 4642 private int compareSignaturesRecover(PackageSignatures existingSigs, 4643 PackageParser.Package scannedPkg) { 4644 if (!isRecoverSignatureUpdateNeeded(scannedPkg)) { 4645 return PackageManager.SIGNATURE_NO_MATCH; 4646 } 4647 4648 String msg = null; 4649 try { 4650 if (Signature.areEffectiveMatch(existingSigs.mSignatures, scannedPkg.mSignatures)) { 4651 logCriticalInfo(Log.INFO, "Recovered effectively matching certificates for " 4652 + scannedPkg.packageName); 4653 return PackageManager.SIGNATURE_MATCH; 4654 } 4655 } catch (CertificateException e) { 4656 msg = e.getMessage(); 4657 } 4658 4659 logCriticalInfo(Log.INFO, 4660 "Failed to recover certificates for " + scannedPkg.packageName + ": " + msg); 4661 return PackageManager.SIGNATURE_NO_MATCH; 4662 } 4663 4664 @Override 4665 public List<String> getAllPackages() { 4666 synchronized (mPackages) { 4667 return new ArrayList<String>(mPackages.keySet()); 4668 } 4669 } 4670 4671 @Override 4672 public String[] getPackagesForUid(int uid) { 4673 final int userId = UserHandle.getUserId(uid); 4674 uid = UserHandle.getAppId(uid); 4675 // reader 4676 synchronized (mPackages) { 4677 Object obj = mSettings.getUserIdLPr(uid); 4678 if (obj instanceof SharedUserSetting) { 4679 final SharedUserSetting sus = (SharedUserSetting) obj; 4680 final int N = sus.packages.size(); 4681 String[] res = new String[N]; 4682 final Iterator<PackageSetting> it = sus.packages.iterator(); 4683 int i = 0; 4684 while (it.hasNext()) { 4685 PackageSetting ps = it.next(); 4686 if (ps.getInstalled(userId)) { 4687 res[i++] = ps.name; 4688 } else { 4689 res = ArrayUtils.removeElement(String.class, res, res[i]); 4690 } 4691 } 4692 return res; 4693 } else if (obj instanceof PackageSetting) { 4694 final PackageSetting ps = (PackageSetting) obj; 4695 return new String[] { ps.name }; 4696 } 4697 } 4698 return null; 4699 } 4700 4701 @Override 4702 public String getNameForUid(int uid) { 4703 // reader 4704 synchronized (mPackages) { 4705 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4706 if (obj instanceof SharedUserSetting) { 4707 final SharedUserSetting sus = (SharedUserSetting) obj; 4708 return sus.name + ":" + sus.userId; 4709 } else if (obj instanceof PackageSetting) { 4710 final PackageSetting ps = (PackageSetting) obj; 4711 return ps.name; 4712 } 4713 } 4714 return null; 4715 } 4716 4717 @Override 4718 public int getUidForSharedUser(String sharedUserName) { 4719 if(sharedUserName == null) { 4720 return -1; 4721 } 4722 // reader 4723 synchronized (mPackages) { 4724 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, 0, false); 4725 if (suid == null) { 4726 return -1; 4727 } 4728 return suid.userId; 4729 } 4730 } 4731 4732 @Override 4733 public int getFlagsForUid(int uid) { 4734 synchronized (mPackages) { 4735 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4736 if (obj instanceof SharedUserSetting) { 4737 final SharedUserSetting sus = (SharedUserSetting) obj; 4738 return sus.pkgFlags; 4739 } else if (obj instanceof PackageSetting) { 4740 final PackageSetting ps = (PackageSetting) obj; 4741 return ps.pkgFlags; 4742 } 4743 } 4744 return 0; 4745 } 4746 4747 @Override 4748 public int getPrivateFlagsForUid(int uid) { 4749 synchronized (mPackages) { 4750 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4751 if (obj instanceof SharedUserSetting) { 4752 final SharedUserSetting sus = (SharedUserSetting) obj; 4753 return sus.pkgPrivateFlags; 4754 } else if (obj instanceof PackageSetting) { 4755 final PackageSetting ps = (PackageSetting) obj; 4756 return ps.pkgPrivateFlags; 4757 } 4758 } 4759 return 0; 4760 } 4761 4762 @Override 4763 public boolean isUidPrivileged(int uid) { 4764 uid = UserHandle.getAppId(uid); 4765 // reader 4766 synchronized (mPackages) { 4767 Object obj = mSettings.getUserIdLPr(uid); 4768 if (obj instanceof SharedUserSetting) { 4769 final SharedUserSetting sus = (SharedUserSetting) obj; 4770 final Iterator<PackageSetting> it = sus.packages.iterator(); 4771 while (it.hasNext()) { 4772 if (it.next().isPrivileged()) { 4773 return true; 4774 } 4775 } 4776 } else if (obj instanceof PackageSetting) { 4777 final PackageSetting ps = (PackageSetting) obj; 4778 return ps.isPrivileged(); 4779 } 4780 } 4781 return false; 4782 } 4783 4784 @Override 4785 public String[] getAppOpPermissionPackages(String permissionName) { 4786 synchronized (mPackages) { 4787 ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName); 4788 if (pkgs == null) { 4789 return null; 4790 } 4791 return pkgs.toArray(new String[pkgs.size()]); 4792 } 4793 } 4794 4795 @Override 4796 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 4797 int flags, int userId) { 4798 try { 4799 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveIntent"); 4800 4801 if (!sUserManager.exists(userId)) return null; 4802 flags = updateFlagsForResolve(flags, userId, intent); 4803 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4804 false /*requireFullPermission*/, false /*checkShell*/, "resolve intent"); 4805 4806 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 4807 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, 4808 flags, userId); 4809 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4810 4811 final ResolveInfo bestChoice = 4812 chooseBestActivity(intent, resolvedType, flags, query, userId); 4813 return bestChoice; 4814 } finally { 4815 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4816 } 4817 } 4818 4819 @Override 4820 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 4821 IntentFilter filter, int match, ComponentName activity) { 4822 final int userId = UserHandle.getCallingUserId(); 4823 if (DEBUG_PREFERRED) { 4824 Log.v(TAG, "setLastChosenActivity intent=" + intent 4825 + " resolvedType=" + resolvedType 4826 + " flags=" + flags 4827 + " filter=" + filter 4828 + " match=" + match 4829 + " activity=" + activity); 4830 filter.dump(new PrintStreamPrinter(System.out), " "); 4831 } 4832 intent.setComponent(null); 4833 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4834 userId); 4835 // Find any earlier preferred or last chosen entries and nuke them 4836 findPreferredActivity(intent, resolvedType, 4837 flags, query, 0, false, true, false, userId); 4838 // Add the new activity as the last chosen for this filter 4839 addPreferredActivityInternal(filter, match, null, activity, false, userId, 4840 "Setting last chosen"); 4841 } 4842 4843 @Override 4844 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 4845 final int userId = UserHandle.getCallingUserId(); 4846 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 4847 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4848 userId); 4849 return findPreferredActivity(intent, resolvedType, flags, query, 0, 4850 false, false, false, userId); 4851 } 4852 4853 private boolean isEphemeralDisabled() { 4854 // ephemeral apps have been disabled across the board 4855 if (DISABLE_EPHEMERAL_APPS) { 4856 return true; 4857 } 4858 // system isn't up yet; can't read settings, so, assume no ephemeral apps 4859 if (!mSystemReady) { 4860 return true; 4861 } 4862 // we can't get a content resolver until the system is ready; these checks must happen last 4863 final ContentResolver resolver = mContext.getContentResolver(); 4864 if (Global.getInt(resolver, Global.ENABLE_EPHEMERAL_FEATURE, 1) == 0) { 4865 return true; 4866 } 4867 return Secure.getInt(resolver, Secure.WEB_ACTION_ENABLED, 1) == 0; 4868 } 4869 4870 private boolean isEphemeralAllowed( 4871 Intent intent, List<ResolveInfo> resolvedActivities, int userId, 4872 boolean skipPackageCheck) { 4873 // Short circuit and return early if possible. 4874 if (isEphemeralDisabled()) { 4875 return false; 4876 } 4877 final int callingUser = UserHandle.getCallingUserId(); 4878 if (callingUser != UserHandle.USER_SYSTEM) { 4879 return false; 4880 } 4881 if (mEphemeralResolverConnection == null) { 4882 return false; 4883 } 4884 if (intent.getComponent() != null) { 4885 return false; 4886 } 4887 if ((intent.getFlags() & Intent.FLAG_IGNORE_EPHEMERAL) != 0) { 4888 return false; 4889 } 4890 if (!skipPackageCheck && intent.getPackage() != null) { 4891 return false; 4892 } 4893 final boolean isWebUri = hasWebURI(intent); 4894 if (!isWebUri || intent.getData().getHost() == null) { 4895 return false; 4896 } 4897 // Deny ephemeral apps if the user chose _ALWAYS or _ALWAYS_ASK for intent resolution. 4898 synchronized (mPackages) { 4899 final int count = (resolvedActivities == null ? 0 : resolvedActivities.size()); 4900 for (int n = 0; n < count; n++) { 4901 ResolveInfo info = resolvedActivities.get(n); 4902 String packageName = info.activityInfo.packageName; 4903 PackageSetting ps = mSettings.mPackages.get(packageName); 4904 if (ps != null) { 4905 // Try to get the status from User settings first 4906 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 4907 int status = (int) (packedStatus >> 32); 4908 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS 4909 || status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 4910 if (DEBUG_EPHEMERAL) { 4911 Slog.v(TAG, "DENY ephemeral apps;" 4912 + " pkg: " + packageName + ", status: " + status); 4913 } 4914 return false; 4915 } 4916 } 4917 } 4918 } 4919 // We've exhausted all ways to deny ephemeral application; let the system look for them. 4920 return true; 4921 } 4922 4923 private static EphemeralResolveInfo getEphemeralResolveInfo( 4924 Context context, EphemeralResolverConnection resolverConnection, Intent intent, 4925 String resolvedType, int userId, String packageName) { 4926 final int ephemeralPrefixMask = Global.getInt(context.getContentResolver(), 4927 Global.EPHEMERAL_HASH_PREFIX_MASK, DEFAULT_EPHEMERAL_HASH_PREFIX_MASK); 4928 final int ephemeralPrefixCount = Global.getInt(context.getContentResolver(), 4929 Global.EPHEMERAL_HASH_PREFIX_COUNT, DEFAULT_EPHEMERAL_HASH_PREFIX_COUNT); 4930 final EphemeralDigest digest = new EphemeralDigest(intent.getData(), ephemeralPrefixMask, 4931 ephemeralPrefixCount); 4932 final int[] shaPrefix = digest.getDigestPrefix(); 4933 final byte[][] digestBytes = digest.getDigestBytes(); 4934 final List<EphemeralResolveInfo> ephemeralResolveInfoList = 4935 resolverConnection.getEphemeralResolveInfoList(shaPrefix, ephemeralPrefixMask); 4936 if (ephemeralResolveInfoList == null || ephemeralResolveInfoList.size() == 0) { 4937 // No hash prefix match; there are no ephemeral apps for this domain. 4938 return null; 4939 } 4940 4941 // Go in reverse order so we match the narrowest scope first. 4942 for (int i = shaPrefix.length - 1; i >= 0 ; --i) { 4943 for (EphemeralResolveInfo ephemeralApplication : ephemeralResolveInfoList) { 4944 if (!Arrays.equals(digestBytes[i], ephemeralApplication.getDigestBytes())) { 4945 continue; 4946 } 4947 final List<IntentFilter> filters = ephemeralApplication.getFilters(); 4948 // No filters; this should never happen. 4949 if (filters.isEmpty()) { 4950 continue; 4951 } 4952 if (packageName != null 4953 && !packageName.equals(ephemeralApplication.getPackageName())) { 4954 continue; 4955 } 4956 // We have a domain match; resolve the filters to see if anything matches. 4957 final EphemeralIntentResolver ephemeralResolver = new EphemeralIntentResolver(); 4958 for (int j = filters.size() - 1; j >= 0; --j) { 4959 final EphemeralResolveIntentInfo intentInfo = 4960 new EphemeralResolveIntentInfo(filters.get(j), ephemeralApplication); 4961 ephemeralResolver.addFilter(intentInfo); 4962 } 4963 List<EphemeralResolveInfo> matchedResolveInfoList = ephemeralResolver.queryIntent( 4964 intent, resolvedType, false /*defaultOnly*/, userId); 4965 if (!matchedResolveInfoList.isEmpty()) { 4966 return matchedResolveInfoList.get(0); 4967 } 4968 } 4969 } 4970 // Hash or filter mis-match; no ephemeral apps for this domain. 4971 return null; 4972 } 4973 4974 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 4975 int flags, List<ResolveInfo> query, int userId) { 4976 if (query != null) { 4977 final int N = query.size(); 4978 if (N == 1) { 4979 return query.get(0); 4980 } else if (N > 1) { 4981 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 4982 // If there is more than one activity with the same priority, 4983 // then let the user decide between them. 4984 ResolveInfo r0 = query.get(0); 4985 ResolveInfo r1 = query.get(1); 4986 if (DEBUG_INTENT_MATCHING || debug) { 4987 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 4988 + r1.activityInfo.name + "=" + r1.priority); 4989 } 4990 // If the first activity has a higher priority, or a different 4991 // default, then it is always desirable to pick it. 4992 if (r0.priority != r1.priority 4993 || r0.preferredOrder != r1.preferredOrder 4994 || r0.isDefault != r1.isDefault) { 4995 return query.get(0); 4996 } 4997 // If we have saved a preference for a preferred activity for 4998 // this Intent, use that. 4999 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 5000 flags, query, r0.priority, true, false, debug, userId); 5001 if (ri != null) { 5002 return ri; 5003 } 5004 ri = new ResolveInfo(mResolveInfo); 5005 ri.activityInfo = new ActivityInfo(ri.activityInfo); 5006 ri.activityInfo.labelRes = ResolverActivity.getLabelRes(intent.getAction()); 5007 // If all of the options come from the same package, show the application's 5008 // label and icon instead of the generic resolver's. 5009 // Some calls like Intent.resolveActivityInfo query the ResolveInfo from here 5010 // and then throw away the ResolveInfo itself, meaning that the caller loses 5011 // the resolvePackageName. Therefore the activityInfo.labelRes above provides 5012 // a fallback for this case; we only set the target package's resources on 5013 // the ResolveInfo, not the ActivityInfo. 5014 final String intentPackage = intent.getPackage(); 5015 if (!TextUtils.isEmpty(intentPackage) && allHavePackage(query, intentPackage)) { 5016 final ApplicationInfo appi = query.get(0).activityInfo.applicationInfo; 5017 ri.resolvePackageName = intentPackage; 5018 if (userNeedsBadging(userId)) { 5019 ri.noResourceId = true; 5020 } else { 5021 ri.icon = appi.icon; 5022 } 5023 ri.iconResourceId = appi.icon; 5024 ri.labelRes = appi.labelRes; 5025 } 5026 ri.activityInfo.applicationInfo = new ApplicationInfo( 5027 ri.activityInfo.applicationInfo); 5028 if (userId != 0) { 5029 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 5030 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 5031 } 5032 // Make sure that the resolver is displayable in car mode 5033 if (ri.activityInfo.metaData == null) ri.activityInfo.metaData = new Bundle(); 5034 ri.activityInfo.metaData.putBoolean(Intent.METADATA_DOCK_HOME, true); 5035 return ri; 5036 } 5037 } 5038 return null; 5039 } 5040 5041 /** 5042 * Return true if the given list is not empty and all of its contents have 5043 * an activityInfo with the given package name. 5044 */ 5045 private boolean allHavePackage(List<ResolveInfo> list, String packageName) { 5046 if (ArrayUtils.isEmpty(list)) { 5047 return false; 5048 } 5049 for (int i = 0, N = list.size(); i < N; i++) { 5050 final ResolveInfo ri = list.get(i); 5051 final ActivityInfo ai = ri != null ? ri.activityInfo : null; 5052 if (ai == null || !packageName.equals(ai.packageName)) { 5053 return false; 5054 } 5055 } 5056 return true; 5057 } 5058 5059 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 5060 int flags, List<ResolveInfo> query, boolean debug, int userId) { 5061 final int N = query.size(); 5062 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 5063 .get(userId); 5064 // Get the list of persistent preferred activities that handle the intent 5065 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 5066 List<PersistentPreferredActivity> pprefs = ppir != null 5067 ? ppir.queryIntent(intent, resolvedType, 5068 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 5069 : null; 5070 if (pprefs != null && pprefs.size() > 0) { 5071 final int M = pprefs.size(); 5072 for (int i=0; i<M; i++) { 5073 final PersistentPreferredActivity ppa = pprefs.get(i); 5074 if (DEBUG_PREFERRED || debug) { 5075 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 5076 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 5077 + "\n component=" + ppa.mComponent); 5078 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5079 } 5080 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 5081 flags | MATCH_DISABLED_COMPONENTS, userId); 5082 if (DEBUG_PREFERRED || debug) { 5083 Slog.v(TAG, "Found persistent preferred activity:"); 5084 if (ai != null) { 5085 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5086 } else { 5087 Slog.v(TAG, " null"); 5088 } 5089 } 5090 if (ai == null) { 5091 // This previously registered persistent preferred activity 5092 // component is no longer known. Ignore it and do NOT remove it. 5093 continue; 5094 } 5095 for (int j=0; j<N; j++) { 5096 final ResolveInfo ri = query.get(j); 5097 if (!ri.activityInfo.applicationInfo.packageName 5098 .equals(ai.applicationInfo.packageName)) { 5099 continue; 5100 } 5101 if (!ri.activityInfo.name.equals(ai.name)) { 5102 continue; 5103 } 5104 // Found a persistent preference that can handle the intent. 5105 if (DEBUG_PREFERRED || debug) { 5106 Slog.v(TAG, "Returning persistent preferred activity: " + 5107 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5108 } 5109 return ri; 5110 } 5111 } 5112 } 5113 return null; 5114 } 5115 5116 // TODO: handle preferred activities missing while user has amnesia 5117 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 5118 List<ResolveInfo> query, int priority, boolean always, 5119 boolean removeMatches, boolean debug, int userId) { 5120 if (!sUserManager.exists(userId)) return null; 5121 flags = updateFlagsForResolve(flags, userId, intent); 5122 // writer 5123 synchronized (mPackages) { 5124 if (intent.getSelector() != null) { 5125 intent = intent.getSelector(); 5126 } 5127 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 5128 5129 // Try to find a matching persistent preferred activity. 5130 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 5131 debug, userId); 5132 5133 // If a persistent preferred activity matched, use it. 5134 if (pri != null) { 5135 return pri; 5136 } 5137 5138 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 5139 // Get the list of preferred activities that handle the intent 5140 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 5141 List<PreferredActivity> prefs = pir != null 5142 ? pir.queryIntent(intent, resolvedType, 5143 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 5144 : null; 5145 if (prefs != null && prefs.size() > 0) { 5146 boolean changed = false; 5147 try { 5148 // First figure out how good the original match set is. 5149 // We will only allow preferred activities that came 5150 // from the same match quality. 5151 int match = 0; 5152 5153 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 5154 5155 final int N = query.size(); 5156 for (int j=0; j<N; j++) { 5157 final ResolveInfo ri = query.get(j); 5158 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 5159 + ": 0x" + Integer.toHexString(match)); 5160 if (ri.match > match) { 5161 match = ri.match; 5162 } 5163 } 5164 5165 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 5166 + Integer.toHexString(match)); 5167 5168 match &= IntentFilter.MATCH_CATEGORY_MASK; 5169 final int M = prefs.size(); 5170 for (int i=0; i<M; i++) { 5171 final PreferredActivity pa = prefs.get(i); 5172 if (DEBUG_PREFERRED || debug) { 5173 Slog.v(TAG, "Checking PreferredActivity ds=" 5174 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 5175 + "\n component=" + pa.mPref.mComponent); 5176 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5177 } 5178 if (pa.mPref.mMatch != match) { 5179 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 5180 + Integer.toHexString(pa.mPref.mMatch)); 5181 continue; 5182 } 5183 // If it's not an "always" type preferred activity and that's what we're 5184 // looking for, skip it. 5185 if (always && !pa.mPref.mAlways) { 5186 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 5187 continue; 5188 } 5189 final ActivityInfo ai = getActivityInfo( 5190 pa.mPref.mComponent, flags | MATCH_DISABLED_COMPONENTS 5191 | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 5192 userId); 5193 if (DEBUG_PREFERRED || debug) { 5194 Slog.v(TAG, "Found preferred activity:"); 5195 if (ai != null) { 5196 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5197 } else { 5198 Slog.v(TAG, " null"); 5199 } 5200 } 5201 if (ai == null) { 5202 // This previously registered preferred activity 5203 // component is no longer known. Most likely an update 5204 // to the app was installed and in the new version this 5205 // component no longer exists. Clean it up by removing 5206 // it from the preferred activities list, and skip it. 5207 Slog.w(TAG, "Removing dangling preferred activity: " 5208 + pa.mPref.mComponent); 5209 pir.removeFilter(pa); 5210 changed = true; 5211 continue; 5212 } 5213 for (int j=0; j<N; j++) { 5214 final ResolveInfo ri = query.get(j); 5215 if (!ri.activityInfo.applicationInfo.packageName 5216 .equals(ai.applicationInfo.packageName)) { 5217 continue; 5218 } 5219 if (!ri.activityInfo.name.equals(ai.name)) { 5220 continue; 5221 } 5222 5223 if (removeMatches) { 5224 pir.removeFilter(pa); 5225 changed = true; 5226 if (DEBUG_PREFERRED) { 5227 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 5228 } 5229 break; 5230 } 5231 5232 // Okay we found a previously set preferred or last chosen app. 5233 // If the result set is different from when this 5234 // was created, we need to clear it and re-ask the 5235 // user their preference, if we're looking for an "always" type entry. 5236 if (always && !pa.mPref.sameSet(query)) { 5237 Slog.i(TAG, "Result set changed, dropping preferred activity for " 5238 + intent + " type " + resolvedType); 5239 if (DEBUG_PREFERRED) { 5240 Slog.v(TAG, "Removing preferred activity since set changed " 5241 + pa.mPref.mComponent); 5242 } 5243 pir.removeFilter(pa); 5244 // Re-add the filter as a "last chosen" entry (!always) 5245 PreferredActivity lastChosen = new PreferredActivity( 5246 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 5247 pir.addFilter(lastChosen); 5248 changed = true; 5249 return null; 5250 } 5251 5252 // Yay! Either the set matched or we're looking for the last chosen 5253 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 5254 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5255 return ri; 5256 } 5257 } 5258 } finally { 5259 if (changed) { 5260 if (DEBUG_PREFERRED) { 5261 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 5262 } 5263 scheduleWritePackageRestrictionsLocked(userId); 5264 } 5265 } 5266 } 5267 } 5268 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 5269 return null; 5270 } 5271 5272 /* 5273 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 5274 */ 5275 @Override 5276 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 5277 int targetUserId) { 5278 mContext.enforceCallingOrSelfPermission( 5279 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 5280 List<CrossProfileIntentFilter> matches = 5281 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 5282 if (matches != null) { 5283 int size = matches.size(); 5284 for (int i = 0; i < size; i++) { 5285 if (matches.get(i).getTargetUserId() == targetUserId) return true; 5286 } 5287 } 5288 if (hasWebURI(intent)) { 5289 // cross-profile app linking works only towards the parent. 5290 final UserInfo parent = getProfileParent(sourceUserId); 5291 synchronized(mPackages) { 5292 int flags = updateFlagsForResolve(0, parent.id, intent); 5293 CrossProfileDomainInfo xpDomainInfo = getCrossProfileDomainPreferredLpr( 5294 intent, resolvedType, flags, sourceUserId, parent.id); 5295 return xpDomainInfo != null; 5296 } 5297 } 5298 return false; 5299 } 5300 5301 private UserInfo getProfileParent(int userId) { 5302 final long identity = Binder.clearCallingIdentity(); 5303 try { 5304 return sUserManager.getProfileParent(userId); 5305 } finally { 5306 Binder.restoreCallingIdentity(identity); 5307 } 5308 } 5309 5310 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 5311 String resolvedType, int userId) { 5312 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 5313 if (resolver != null) { 5314 return resolver.queryIntent(intent, resolvedType, false, userId); 5315 } 5316 return null; 5317 } 5318 5319 @Override 5320 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivities(Intent intent, 5321 String resolvedType, int flags, int userId) { 5322 try { 5323 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 5324 5325 return new ParceledListSlice<>( 5326 queryIntentActivitiesInternal(intent, resolvedType, flags, userId)); 5327 } finally { 5328 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 5329 } 5330 } 5331 5332 private @NonNull List<ResolveInfo> queryIntentActivitiesInternal(Intent intent, 5333 String resolvedType, int flags, int userId) { 5334 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5335 flags = updateFlagsForResolve(flags, userId, intent); 5336 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5337 false /* requireFullPermission */, false /* checkShell */, 5338 "query intent activities"); 5339 ComponentName comp = intent.getComponent(); 5340 if (comp == null) { 5341 if (intent.getSelector() != null) { 5342 intent = intent.getSelector(); 5343 comp = intent.getComponent(); 5344 } 5345 } 5346 5347 if (comp != null) { 5348 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5349 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 5350 if (ai != null) { 5351 final ResolveInfo ri = new ResolveInfo(); 5352 ri.activityInfo = ai; 5353 list.add(ri); 5354 } 5355 return list; 5356 } 5357 5358 // reader 5359 boolean sortResult = false; 5360 boolean addEphemeral = false; 5361 boolean matchEphemeralPackage = false; 5362 List<ResolveInfo> result; 5363 final String pkgName = intent.getPackage(); 5364 synchronized (mPackages) { 5365 if (pkgName == null) { 5366 List<CrossProfileIntentFilter> matchingFilters = 5367 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 5368 // Check for results that need to skip the current profile. 5369 ResolveInfo xpResolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 5370 resolvedType, flags, userId); 5371 if (xpResolveInfo != null) { 5372 List<ResolveInfo> xpResult = new ArrayList<ResolveInfo>(1); 5373 xpResult.add(xpResolveInfo); 5374 return filterIfNotSystemUser(xpResult, userId); 5375 } 5376 5377 // Check for results in the current profile. 5378 result = filterIfNotSystemUser(mActivities.queryIntent( 5379 intent, resolvedType, flags, userId), userId); 5380 addEphemeral = 5381 isEphemeralAllowed(intent, result, userId, false /*skipPackageCheck*/); 5382 5383 // Check for cross profile results. 5384 boolean hasNonNegativePriorityResult = hasNonNegativePriority(result); 5385 xpResolveInfo = queryCrossProfileIntents( 5386 matchingFilters, intent, resolvedType, flags, userId, 5387 hasNonNegativePriorityResult); 5388 if (xpResolveInfo != null && isUserEnabled(xpResolveInfo.targetUserId)) { 5389 boolean isVisibleToUser = filterIfNotSystemUser( 5390 Collections.singletonList(xpResolveInfo), userId).size() > 0; 5391 if (isVisibleToUser) { 5392 result.add(xpResolveInfo); 5393 sortResult = true; 5394 } 5395 } 5396 if (hasWebURI(intent)) { 5397 CrossProfileDomainInfo xpDomainInfo = null; 5398 final UserInfo parent = getProfileParent(userId); 5399 if (parent != null) { 5400 xpDomainInfo = getCrossProfileDomainPreferredLpr(intent, resolvedType, 5401 flags, userId, parent.id); 5402 } 5403 if (xpDomainInfo != null) { 5404 if (xpResolveInfo != null) { 5405 // If we didn't remove it, the cross-profile ResolveInfo would be twice 5406 // in the result. 5407 result.remove(xpResolveInfo); 5408 } 5409 if (result.size() == 0 && !addEphemeral) { 5410 result.add(xpDomainInfo.resolveInfo); 5411 return result; 5412 } 5413 } 5414 if (result.size() > 1 || addEphemeral) { 5415 result = filterCandidatesWithDomainPreferredActivitiesLPr( 5416 intent, flags, result, xpDomainInfo, userId); 5417 sortResult = true; 5418 } 5419 } 5420 } else { 5421 final PackageParser.Package pkg = mPackages.get(pkgName); 5422 if (pkg != null) { 5423 result = filterIfNotSystemUser( 5424 mActivities.queryIntentForPackage( 5425 intent, resolvedType, flags, pkg.activities, userId), 5426 userId); 5427 } else { 5428 // the caller wants to resolve for a particular package; however, there 5429 // were no installed results, so, try to find an ephemeral result 5430 addEphemeral = isEphemeralAllowed( 5431 intent, null /*result*/, userId, true /*skipPackageCheck*/); 5432 matchEphemeralPackage = true; 5433 result = new ArrayList<ResolveInfo>(); 5434 } 5435 } 5436 } 5437 if (addEphemeral) { 5438 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveEphemeral"); 5439 final EphemeralResolveInfo ai = getEphemeralResolveInfo( 5440 mContext, mEphemeralResolverConnection, intent, resolvedType, userId, 5441 matchEphemeralPackage ? pkgName : null); 5442 if (ai != null) { 5443 if (DEBUG_EPHEMERAL) { 5444 Slog.v(TAG, "Adding ephemeral installer to the ResolveInfo list"); 5445 } 5446 final ResolveInfo ephemeralInstaller = new ResolveInfo(mEphemeralInstallerInfo); 5447 ephemeralInstaller.ephemeralResolveInfo = ai; 5448 // make sure this resolver is the default 5449 ephemeralInstaller.isDefault = true; 5450 ephemeralInstaller.match = IntentFilter.MATCH_CATEGORY_SCHEME_SPECIFIC_PART 5451 | IntentFilter.MATCH_ADJUSTMENT_NORMAL; 5452 // add a non-generic filter 5453 ephemeralInstaller.filter = new IntentFilter(intent.getAction()); 5454 ephemeralInstaller.filter.addDataPath( 5455 intent.getData().getPath(), PatternMatcher.PATTERN_LITERAL); 5456 result.add(ephemeralInstaller); 5457 } 5458 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 5459 } 5460 if (sortResult) { 5461 Collections.sort(result, mResolvePrioritySorter); 5462 } 5463 return result; 5464 } 5465 5466 private static class CrossProfileDomainInfo { 5467 /* ResolveInfo for IntentForwarderActivity to send the intent to the other profile */ 5468 ResolveInfo resolveInfo; 5469 /* Best domain verification status of the activities found in the other profile */ 5470 int bestDomainVerificationStatus; 5471 } 5472 5473 private CrossProfileDomainInfo getCrossProfileDomainPreferredLpr(Intent intent, 5474 String resolvedType, int flags, int sourceUserId, int parentUserId) { 5475 if (!sUserManager.hasUserRestriction(UserManager.ALLOW_PARENT_PROFILE_APP_LINKING, 5476 sourceUserId)) { 5477 return null; 5478 } 5479 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5480 resolvedType, flags, parentUserId); 5481 5482 if (resultTargetUser == null || resultTargetUser.isEmpty()) { 5483 return null; 5484 } 5485 CrossProfileDomainInfo result = null; 5486 int size = resultTargetUser.size(); 5487 for (int i = 0; i < size; i++) { 5488 ResolveInfo riTargetUser = resultTargetUser.get(i); 5489 // Intent filter verification is only for filters that specify a host. So don't return 5490 // those that handle all web uris. 5491 if (riTargetUser.handleAllWebDataURI) { 5492 continue; 5493 } 5494 String packageName = riTargetUser.activityInfo.packageName; 5495 PackageSetting ps = mSettings.mPackages.get(packageName); 5496 if (ps == null) { 5497 continue; 5498 } 5499 long verificationState = getDomainVerificationStatusLPr(ps, parentUserId); 5500 int status = (int)(verificationState >> 32); 5501 if (result == null) { 5502 result = new CrossProfileDomainInfo(); 5503 result.resolveInfo = createForwardingResolveInfoUnchecked(new IntentFilter(), 5504 sourceUserId, parentUserId); 5505 result.bestDomainVerificationStatus = status; 5506 } else { 5507 result.bestDomainVerificationStatus = bestDomainVerificationStatus(status, 5508 result.bestDomainVerificationStatus); 5509 } 5510 } 5511 // Don't consider matches with status NEVER across profiles. 5512 if (result != null && result.bestDomainVerificationStatus 5513 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5514 return null; 5515 } 5516 return result; 5517 } 5518 5519 /** 5520 * Verification statuses are ordered from the worse to the best, except for 5521 * INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER, which is the worse. 5522 */ 5523 private int bestDomainVerificationStatus(int status1, int status2) { 5524 if (status1 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5525 return status2; 5526 } 5527 if (status2 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5528 return status1; 5529 } 5530 return (int) MathUtils.max(status1, status2); 5531 } 5532 5533 private boolean isUserEnabled(int userId) { 5534 long callingId = Binder.clearCallingIdentity(); 5535 try { 5536 UserInfo userInfo = sUserManager.getUserInfo(userId); 5537 return userInfo != null && userInfo.isEnabled(); 5538 } finally { 5539 Binder.restoreCallingIdentity(callingId); 5540 } 5541 } 5542 5543 /** 5544 * Filter out activities with systemUserOnly flag set, when current user is not System. 5545 * 5546 * @return filtered list 5547 */ 5548 private List<ResolveInfo> filterIfNotSystemUser(List<ResolveInfo> resolveInfos, int userId) { 5549 if (userId == UserHandle.USER_SYSTEM) { 5550 return resolveInfos; 5551 } 5552 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 5553 ResolveInfo info = resolveInfos.get(i); 5554 if ((info.activityInfo.flags & ActivityInfo.FLAG_SYSTEM_USER_ONLY) != 0) { 5555 resolveInfos.remove(i); 5556 } 5557 } 5558 return resolveInfos; 5559 } 5560 5561 /** 5562 * @param resolveInfos list of resolve infos in descending priority order 5563 * @return if the list contains a resolve info with non-negative priority 5564 */ 5565 private boolean hasNonNegativePriority(List<ResolveInfo> resolveInfos) { 5566 return resolveInfos.size() > 0 && resolveInfos.get(0).priority >= 0; 5567 } 5568 5569 private static boolean hasWebURI(Intent intent) { 5570 if (intent.getData() == null) { 5571 return false; 5572 } 5573 final String scheme = intent.getScheme(); 5574 if (TextUtils.isEmpty(scheme)) { 5575 return false; 5576 } 5577 return scheme.equals(IntentFilter.SCHEME_HTTP) || scheme.equals(IntentFilter.SCHEME_HTTPS); 5578 } 5579 5580 private List<ResolveInfo> filterCandidatesWithDomainPreferredActivitiesLPr(Intent intent, 5581 int matchFlags, List<ResolveInfo> candidates, CrossProfileDomainInfo xpDomainInfo, 5582 int userId) { 5583 final boolean debug = (intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0; 5584 5585 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5586 Slog.v(TAG, "Filtering results with preferred activities. Candidates count: " + 5587 candidates.size()); 5588 } 5589 5590 ArrayList<ResolveInfo> result = new ArrayList<ResolveInfo>(); 5591 ArrayList<ResolveInfo> alwaysList = new ArrayList<ResolveInfo>(); 5592 ArrayList<ResolveInfo> undefinedList = new ArrayList<ResolveInfo>(); 5593 ArrayList<ResolveInfo> alwaysAskList = new ArrayList<ResolveInfo>(); 5594 ArrayList<ResolveInfo> neverList = new ArrayList<ResolveInfo>(); 5595 ArrayList<ResolveInfo> matchAllList = new ArrayList<ResolveInfo>(); 5596 5597 synchronized (mPackages) { 5598 final int count = candidates.size(); 5599 // First, try to use linked apps. Partition the candidates into four lists: 5600 // one for the final results, one for the "do not use ever", one for "undefined status" 5601 // and finally one for "browser app type". 5602 for (int n=0; n<count; n++) { 5603 ResolveInfo info = candidates.get(n); 5604 String packageName = info.activityInfo.packageName; 5605 PackageSetting ps = mSettings.mPackages.get(packageName); 5606 if (ps != null) { 5607 // Add to the special match all list (Browser use case) 5608 if (info.handleAllWebDataURI) { 5609 matchAllList.add(info); 5610 continue; 5611 } 5612 // Try to get the status from User settings first 5613 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 5614 int status = (int)(packedStatus >> 32); 5615 int linkGeneration = (int)(packedStatus & 0xFFFFFFFF); 5616 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) { 5617 if (DEBUG_DOMAIN_VERIFICATION) { 5618 Slog.i(TAG, " + always: " + info.activityInfo.packageName 5619 + " : linkgen=" + linkGeneration); 5620 } 5621 // Use link-enabled generation as preferredOrder, i.e. 5622 // prefer newly-enabled over earlier-enabled. 5623 info.preferredOrder = linkGeneration; 5624 alwaysList.add(info); 5625 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5626 if (DEBUG_DOMAIN_VERIFICATION) { 5627 Slog.i(TAG, " + never: " + info.activityInfo.packageName); 5628 } 5629 neverList.add(info); 5630 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 5631 if (DEBUG_DOMAIN_VERIFICATION) { 5632 Slog.i(TAG, " + always-ask: " + info.activityInfo.packageName); 5633 } 5634 alwaysAskList.add(info); 5635 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED || 5636 status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK) { 5637 if (DEBUG_DOMAIN_VERIFICATION) { 5638 Slog.i(TAG, " + ask: " + info.activityInfo.packageName); 5639 } 5640 undefinedList.add(info); 5641 } 5642 } 5643 } 5644 5645 // We'll want to include browser possibilities in a few cases 5646 boolean includeBrowser = false; 5647 5648 // First try to add the "always" resolution(s) for the current user, if any 5649 if (alwaysList.size() > 0) { 5650 result.addAll(alwaysList); 5651 } else { 5652 // Add all undefined apps as we want them to appear in the disambiguation dialog. 5653 result.addAll(undefinedList); 5654 // Maybe add one for the other profile. 5655 if (xpDomainInfo != null && ( 5656 xpDomainInfo.bestDomainVerificationStatus 5657 != INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER)) { 5658 result.add(xpDomainInfo.resolveInfo); 5659 } 5660 includeBrowser = true; 5661 } 5662 5663 // The presence of any 'always ask' alternatives means we'll also offer browsers. 5664 // If there were 'always' entries their preferred order has been set, so we also 5665 // back that off to make the alternatives equivalent 5666 if (alwaysAskList.size() > 0) { 5667 for (ResolveInfo i : result) { 5668 i.preferredOrder = 0; 5669 } 5670 result.addAll(alwaysAskList); 5671 includeBrowser = true; 5672 } 5673 5674 if (includeBrowser) { 5675 // Also add browsers (all of them or only the default one) 5676 if (DEBUG_DOMAIN_VERIFICATION) { 5677 Slog.v(TAG, " ...including browsers in candidate set"); 5678 } 5679 if ((matchFlags & MATCH_ALL) != 0) { 5680 result.addAll(matchAllList); 5681 } else { 5682 // Browser/generic handling case. If there's a default browser, go straight 5683 // to that (but only if there is no other higher-priority match). 5684 final String defaultBrowserPackageName = getDefaultBrowserPackageName(userId); 5685 int maxMatchPrio = 0; 5686 ResolveInfo defaultBrowserMatch = null; 5687 final int numCandidates = matchAllList.size(); 5688 for (int n = 0; n < numCandidates; n++) { 5689 ResolveInfo info = matchAllList.get(n); 5690 // track the highest overall match priority... 5691 if (info.priority > maxMatchPrio) { 5692 maxMatchPrio = info.priority; 5693 } 5694 // ...and the highest-priority default browser match 5695 if (info.activityInfo.packageName.equals(defaultBrowserPackageName)) { 5696 if (defaultBrowserMatch == null 5697 || (defaultBrowserMatch.priority < info.priority)) { 5698 if (debug) { 5699 Slog.v(TAG, "Considering default browser match " + info); 5700 } 5701 defaultBrowserMatch = info; 5702 } 5703 } 5704 } 5705 if (defaultBrowserMatch != null 5706 && defaultBrowserMatch.priority >= maxMatchPrio 5707 && !TextUtils.isEmpty(defaultBrowserPackageName)) 5708 { 5709 if (debug) { 5710 Slog.v(TAG, "Default browser match " + defaultBrowserMatch); 5711 } 5712 result.add(defaultBrowserMatch); 5713 } else { 5714 result.addAll(matchAllList); 5715 } 5716 } 5717 5718 // If there is nothing selected, add all candidates and remove the ones that the user 5719 // has explicitly put into the INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER state 5720 if (result.size() == 0) { 5721 result.addAll(candidates); 5722 result.removeAll(neverList); 5723 } 5724 } 5725 } 5726 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5727 Slog.v(TAG, "Filtered results with preferred activities. New candidates count: " + 5728 result.size()); 5729 for (ResolveInfo info : result) { 5730 Slog.v(TAG, " + " + info.activityInfo); 5731 } 5732 } 5733 return result; 5734 } 5735 5736 // Returns a packed value as a long: 5737 // 5738 // high 'int'-sized word: link status: undefined/ask/never/always. 5739 // low 'int'-sized word: relative priority among 'always' results. 5740 private long getDomainVerificationStatusLPr(PackageSetting ps, int userId) { 5741 long result = ps.getDomainVerificationStatusForUser(userId); 5742 // if none available, get the master status 5743 if (result >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 5744 if (ps.getIntentFilterVerificationInfo() != null) { 5745 result = ((long)ps.getIntentFilterVerificationInfo().getStatus()) << 32; 5746 } 5747 } 5748 return result; 5749 } 5750 5751 private ResolveInfo querySkipCurrentProfileIntents( 5752 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5753 int flags, int sourceUserId) { 5754 if (matchingFilters != null) { 5755 int size = matchingFilters.size(); 5756 for (int i = 0; i < size; i ++) { 5757 CrossProfileIntentFilter filter = matchingFilters.get(i); 5758 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 5759 // Checking if there are activities in the target user that can handle the 5760 // intent. 5761 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5762 resolvedType, flags, sourceUserId); 5763 if (resolveInfo != null) { 5764 return resolveInfo; 5765 } 5766 } 5767 } 5768 } 5769 return null; 5770 } 5771 5772 // Return matching ResolveInfo in target user if any. 5773 private ResolveInfo queryCrossProfileIntents( 5774 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5775 int flags, int sourceUserId, boolean matchInCurrentProfile) { 5776 if (matchingFilters != null) { 5777 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 5778 // match the same intent. For performance reasons, it is better not to 5779 // run queryIntent twice for the same userId 5780 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 5781 int size = matchingFilters.size(); 5782 for (int i = 0; i < size; i++) { 5783 CrossProfileIntentFilter filter = matchingFilters.get(i); 5784 int targetUserId = filter.getTargetUserId(); 5785 boolean skipCurrentProfile = 5786 (filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0; 5787 boolean skipCurrentProfileIfNoMatchFound = 5788 (filter.getFlags() & PackageManager.ONLY_IF_NO_MATCH_FOUND) != 0; 5789 if (!skipCurrentProfile && !alreadyTriedUserIds.get(targetUserId) 5790 && (!skipCurrentProfileIfNoMatchFound || !matchInCurrentProfile)) { 5791 // Checking if there are activities in the target user that can handle the 5792 // intent. 5793 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5794 resolvedType, flags, sourceUserId); 5795 if (resolveInfo != null) return resolveInfo; 5796 alreadyTriedUserIds.put(targetUserId, true); 5797 } 5798 } 5799 } 5800 return null; 5801 } 5802 5803 /** 5804 * If the filter's target user can handle the intent and is enabled: returns a ResolveInfo that 5805 * will forward the intent to the filter's target user. 5806 * Otherwise, returns null. 5807 */ 5808 private ResolveInfo createForwardingResolveInfo(CrossProfileIntentFilter filter, Intent intent, 5809 String resolvedType, int flags, int sourceUserId) { 5810 int targetUserId = filter.getTargetUserId(); 5811 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5812 resolvedType, flags, targetUserId); 5813 if (resultTargetUser != null && isUserEnabled(targetUserId)) { 5814 // If all the matches in the target profile are suspended, return null. 5815 for (int i = resultTargetUser.size() - 1; i >= 0; i--) { 5816 if ((resultTargetUser.get(i).activityInfo.applicationInfo.flags 5817 & ApplicationInfo.FLAG_SUSPENDED) == 0) { 5818 return createForwardingResolveInfoUnchecked(filter, sourceUserId, 5819 targetUserId); 5820 } 5821 } 5822 } 5823 return null; 5824 } 5825 5826 private ResolveInfo createForwardingResolveInfoUnchecked(IntentFilter filter, 5827 int sourceUserId, int targetUserId) { 5828 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 5829 long ident = Binder.clearCallingIdentity(); 5830 boolean targetIsProfile; 5831 try { 5832 targetIsProfile = sUserManager.getUserInfo(targetUserId).isManagedProfile(); 5833 } finally { 5834 Binder.restoreCallingIdentity(ident); 5835 } 5836 String className; 5837 if (targetIsProfile) { 5838 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 5839 } else { 5840 className = FORWARD_INTENT_TO_PARENT; 5841 } 5842 ComponentName forwardingActivityComponentName = new ComponentName( 5843 mAndroidApplication.packageName, className); 5844 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 5845 sourceUserId); 5846 if (!targetIsProfile) { 5847 forwardingActivityInfo.showUserIcon = targetUserId; 5848 forwardingResolveInfo.noResourceId = true; 5849 } 5850 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 5851 forwardingResolveInfo.priority = 0; 5852 forwardingResolveInfo.preferredOrder = 0; 5853 forwardingResolveInfo.match = 0; 5854 forwardingResolveInfo.isDefault = true; 5855 forwardingResolveInfo.filter = filter; 5856 forwardingResolveInfo.targetUserId = targetUserId; 5857 return forwardingResolveInfo; 5858 } 5859 5860 @Override 5861 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 5862 Intent[] specifics, String[] specificTypes, Intent intent, 5863 String resolvedType, int flags, int userId) { 5864 return new ParceledListSlice<>(queryIntentActivityOptionsInternal(caller, specifics, 5865 specificTypes, intent, resolvedType, flags, userId)); 5866 } 5867 5868 private @NonNull List<ResolveInfo> queryIntentActivityOptionsInternal(ComponentName caller, 5869 Intent[] specifics, String[] specificTypes, Intent intent, 5870 String resolvedType, int flags, int userId) { 5871 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5872 flags = updateFlagsForResolve(flags, userId, intent); 5873 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5874 false /* requireFullPermission */, false /* checkShell */, 5875 "query intent activity options"); 5876 final String resultsAction = intent.getAction(); 5877 5878 final List<ResolveInfo> results = queryIntentActivitiesInternal(intent, resolvedType, flags 5879 | PackageManager.GET_RESOLVED_FILTER, userId); 5880 5881 if (DEBUG_INTENT_MATCHING) { 5882 Log.v(TAG, "Query " + intent + ": " + results); 5883 } 5884 5885 int specificsPos = 0; 5886 int N; 5887 5888 // todo: note that the algorithm used here is O(N^2). This 5889 // isn't a problem in our current environment, but if we start running 5890 // into situations where we have more than 5 or 10 matches then this 5891 // should probably be changed to something smarter... 5892 5893 // First we go through and resolve each of the specific items 5894 // that were supplied, taking care of removing any corresponding 5895 // duplicate items in the generic resolve list. 5896 if (specifics != null) { 5897 for (int i=0; i<specifics.length; i++) { 5898 final Intent sintent = specifics[i]; 5899 if (sintent == null) { 5900 continue; 5901 } 5902 5903 if (DEBUG_INTENT_MATCHING) { 5904 Log.v(TAG, "Specific #" + i + ": " + sintent); 5905 } 5906 5907 String action = sintent.getAction(); 5908 if (resultsAction != null && resultsAction.equals(action)) { 5909 // If this action was explicitly requested, then don't 5910 // remove things that have it. 5911 action = null; 5912 } 5913 5914 ResolveInfo ri = null; 5915 ActivityInfo ai = null; 5916 5917 ComponentName comp = sintent.getComponent(); 5918 if (comp == null) { 5919 ri = resolveIntent( 5920 sintent, 5921 specificTypes != null ? specificTypes[i] : null, 5922 flags, userId); 5923 if (ri == null) { 5924 continue; 5925 } 5926 if (ri == mResolveInfo) { 5927 // ACK! Must do something better with this. 5928 } 5929 ai = ri.activityInfo; 5930 comp = new ComponentName(ai.applicationInfo.packageName, 5931 ai.name); 5932 } else { 5933 ai = getActivityInfo(comp, flags, userId); 5934 if (ai == null) { 5935 continue; 5936 } 5937 } 5938 5939 // Look for any generic query activities that are duplicates 5940 // of this specific one, and remove them from the results. 5941 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 5942 N = results.size(); 5943 int j; 5944 for (j=specificsPos; j<N; j++) { 5945 ResolveInfo sri = results.get(j); 5946 if ((sri.activityInfo.name.equals(comp.getClassName()) 5947 && sri.activityInfo.applicationInfo.packageName.equals( 5948 comp.getPackageName())) 5949 || (action != null && sri.filter.matchAction(action))) { 5950 results.remove(j); 5951 if (DEBUG_INTENT_MATCHING) Log.v( 5952 TAG, "Removing duplicate item from " + j 5953 + " due to specific " + specificsPos); 5954 if (ri == null) { 5955 ri = sri; 5956 } 5957 j--; 5958 N--; 5959 } 5960 } 5961 5962 // Add this specific item to its proper place. 5963 if (ri == null) { 5964 ri = new ResolveInfo(); 5965 ri.activityInfo = ai; 5966 } 5967 results.add(specificsPos, ri); 5968 ri.specificIndex = i; 5969 specificsPos++; 5970 } 5971 } 5972 5973 // Now we go through the remaining generic results and remove any 5974 // duplicate actions that are found here. 5975 N = results.size(); 5976 for (int i=specificsPos; i<N-1; i++) { 5977 final ResolveInfo rii = results.get(i); 5978 if (rii.filter == null) { 5979 continue; 5980 } 5981 5982 // Iterate over all of the actions of this result's intent 5983 // filter... typically this should be just one. 5984 final Iterator<String> it = rii.filter.actionsIterator(); 5985 if (it == null) { 5986 continue; 5987 } 5988 while (it.hasNext()) { 5989 final String action = it.next(); 5990 if (resultsAction != null && resultsAction.equals(action)) { 5991 // If this action was explicitly requested, then don't 5992 // remove things that have it. 5993 continue; 5994 } 5995 for (int j=i+1; j<N; j++) { 5996 final ResolveInfo rij = results.get(j); 5997 if (rij.filter != null && rij.filter.hasAction(action)) { 5998 results.remove(j); 5999 if (DEBUG_INTENT_MATCHING) Log.v( 6000 TAG, "Removing duplicate item from " + j 6001 + " due to action " + action + " at " + i); 6002 j--; 6003 N--; 6004 } 6005 } 6006 } 6007 6008 // If the caller didn't request filter information, drop it now 6009 // so we don't have to marshall/unmarshall it. 6010 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 6011 rii.filter = null; 6012 } 6013 } 6014 6015 // Filter out the caller activity if so requested. 6016 if (caller != null) { 6017 N = results.size(); 6018 for (int i=0; i<N; i++) { 6019 ActivityInfo ainfo = results.get(i).activityInfo; 6020 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 6021 && caller.getClassName().equals(ainfo.name)) { 6022 results.remove(i); 6023 break; 6024 } 6025 } 6026 } 6027 6028 // If the caller didn't request filter information, 6029 // drop them now so we don't have to 6030 // marshall/unmarshall it. 6031 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 6032 N = results.size(); 6033 for (int i=0; i<N; i++) { 6034 results.get(i).filter = null; 6035 } 6036 } 6037 6038 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 6039 return results; 6040 } 6041 6042 @Override 6043 public @NonNull ParceledListSlice<ResolveInfo> queryIntentReceivers(Intent intent, 6044 String resolvedType, int flags, int userId) { 6045 return new ParceledListSlice<>( 6046 queryIntentReceiversInternal(intent, resolvedType, flags, userId)); 6047 } 6048 6049 private @NonNull List<ResolveInfo> queryIntentReceiversInternal(Intent intent, 6050 String resolvedType, int flags, int userId) { 6051 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6052 flags = updateFlagsForResolve(flags, userId, intent); 6053 ComponentName comp = intent.getComponent(); 6054 if (comp == null) { 6055 if (intent.getSelector() != null) { 6056 intent = intent.getSelector(); 6057 comp = intent.getComponent(); 6058 } 6059 } 6060 if (comp != null) { 6061 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6062 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 6063 if (ai != null) { 6064 ResolveInfo ri = new ResolveInfo(); 6065 ri.activityInfo = ai; 6066 list.add(ri); 6067 } 6068 return list; 6069 } 6070 6071 // reader 6072 synchronized (mPackages) { 6073 String pkgName = intent.getPackage(); 6074 if (pkgName == null) { 6075 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 6076 } 6077 final PackageParser.Package pkg = mPackages.get(pkgName); 6078 if (pkg != null) { 6079 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 6080 userId); 6081 } 6082 return Collections.emptyList(); 6083 } 6084 } 6085 6086 @Override 6087 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 6088 if (!sUserManager.exists(userId)) return null; 6089 flags = updateFlagsForResolve(flags, userId, intent); 6090 List<ResolveInfo> query = queryIntentServicesInternal(intent, resolvedType, flags, userId); 6091 if (query != null) { 6092 if (query.size() >= 1) { 6093 // If there is more than one service with the same priority, 6094 // just arbitrarily pick the first one. 6095 return query.get(0); 6096 } 6097 } 6098 return null; 6099 } 6100 6101 @Override 6102 public @NonNull ParceledListSlice<ResolveInfo> queryIntentServices(Intent intent, 6103 String resolvedType, int flags, int userId) { 6104 return new ParceledListSlice<>( 6105 queryIntentServicesInternal(intent, resolvedType, flags, userId)); 6106 } 6107 6108 private @NonNull List<ResolveInfo> queryIntentServicesInternal(Intent intent, 6109 String resolvedType, int flags, int userId) { 6110 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6111 flags = updateFlagsForResolve(flags, userId, intent); 6112 ComponentName comp = intent.getComponent(); 6113 if (comp == null) { 6114 if (intent.getSelector() != null) { 6115 intent = intent.getSelector(); 6116 comp = intent.getComponent(); 6117 } 6118 } 6119 if (comp != null) { 6120 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6121 final ServiceInfo si = getServiceInfo(comp, flags, userId); 6122 if (si != null) { 6123 final ResolveInfo ri = new ResolveInfo(); 6124 ri.serviceInfo = si; 6125 list.add(ri); 6126 } 6127 return list; 6128 } 6129 6130 // reader 6131 synchronized (mPackages) { 6132 String pkgName = intent.getPackage(); 6133 if (pkgName == null) { 6134 return mServices.queryIntent(intent, resolvedType, flags, userId); 6135 } 6136 final PackageParser.Package pkg = mPackages.get(pkgName); 6137 if (pkg != null) { 6138 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 6139 userId); 6140 } 6141 return Collections.emptyList(); 6142 } 6143 } 6144 6145 @Override 6146 public @NonNull ParceledListSlice<ResolveInfo> queryIntentContentProviders(Intent intent, 6147 String resolvedType, int flags, int userId) { 6148 return new ParceledListSlice<>( 6149 queryIntentContentProvidersInternal(intent, resolvedType, flags, userId)); 6150 } 6151 6152 private @NonNull List<ResolveInfo> queryIntentContentProvidersInternal( 6153 Intent intent, String resolvedType, int flags, int userId) { 6154 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6155 flags = updateFlagsForResolve(flags, userId, intent); 6156 ComponentName comp = intent.getComponent(); 6157 if (comp == null) { 6158 if (intent.getSelector() != null) { 6159 intent = intent.getSelector(); 6160 comp = intent.getComponent(); 6161 } 6162 } 6163 if (comp != null) { 6164 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6165 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 6166 if (pi != null) { 6167 final ResolveInfo ri = new ResolveInfo(); 6168 ri.providerInfo = pi; 6169 list.add(ri); 6170 } 6171 return list; 6172 } 6173 6174 // reader 6175 synchronized (mPackages) { 6176 String pkgName = intent.getPackage(); 6177 if (pkgName == null) { 6178 return mProviders.queryIntent(intent, resolvedType, flags, userId); 6179 } 6180 final PackageParser.Package pkg = mPackages.get(pkgName); 6181 if (pkg != null) { 6182 return mProviders.queryIntentForPackage( 6183 intent, resolvedType, flags, pkg.providers, userId); 6184 } 6185 return Collections.emptyList(); 6186 } 6187 } 6188 6189 @Override 6190 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 6191 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6192 flags = updateFlagsForPackage(flags, userId, null); 6193 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6194 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6195 true /* requireFullPermission */, false /* checkShell */, 6196 "get installed packages"); 6197 6198 // writer 6199 synchronized (mPackages) { 6200 ArrayList<PackageInfo> list; 6201 if (listUninstalled) { 6202 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 6203 for (PackageSetting ps : mSettings.mPackages.values()) { 6204 final PackageInfo pi; 6205 if (ps.pkg != null) { 6206 pi = generatePackageInfo(ps, flags, userId); 6207 } else { 6208 pi = generatePackageInfo(ps, flags, userId); 6209 } 6210 if (pi != null) { 6211 list.add(pi); 6212 } 6213 } 6214 } else { 6215 list = new ArrayList<PackageInfo>(mPackages.size()); 6216 for (PackageParser.Package p : mPackages.values()) { 6217 final PackageInfo pi = 6218 generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 6219 if (pi != null) { 6220 list.add(pi); 6221 } 6222 } 6223 } 6224 6225 return new ParceledListSlice<PackageInfo>(list); 6226 } 6227 } 6228 6229 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 6230 String[] permissions, boolean[] tmp, int flags, int userId) { 6231 int numMatch = 0; 6232 final PermissionsState permissionsState = ps.getPermissionsState(); 6233 for (int i=0; i<permissions.length; i++) { 6234 final String permission = permissions[i]; 6235 if (permissionsState.hasPermission(permission, userId)) { 6236 tmp[i] = true; 6237 numMatch++; 6238 } else { 6239 tmp[i] = false; 6240 } 6241 } 6242 if (numMatch == 0) { 6243 return; 6244 } 6245 final PackageInfo pi; 6246 if (ps.pkg != null) { 6247 pi = generatePackageInfo(ps, flags, userId); 6248 } else { 6249 pi = generatePackageInfo(ps, flags, userId); 6250 } 6251 // The above might return null in cases of uninstalled apps or install-state 6252 // skew across users/profiles. 6253 if (pi != null) { 6254 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 6255 if (numMatch == permissions.length) { 6256 pi.requestedPermissions = permissions; 6257 } else { 6258 pi.requestedPermissions = new String[numMatch]; 6259 numMatch = 0; 6260 for (int i=0; i<permissions.length; i++) { 6261 if (tmp[i]) { 6262 pi.requestedPermissions[numMatch] = permissions[i]; 6263 numMatch++; 6264 } 6265 } 6266 } 6267 } 6268 list.add(pi); 6269 } 6270 } 6271 6272 @Override 6273 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 6274 String[] permissions, int flags, int userId) { 6275 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6276 flags = updateFlagsForPackage(flags, userId, permissions); 6277 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6278 6279 // writer 6280 synchronized (mPackages) { 6281 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 6282 boolean[] tmpBools = new boolean[permissions.length]; 6283 if (listUninstalled) { 6284 for (PackageSetting ps : mSettings.mPackages.values()) { 6285 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 6286 } 6287 } else { 6288 for (PackageParser.Package pkg : mPackages.values()) { 6289 PackageSetting ps = (PackageSetting)pkg.mExtras; 6290 if (ps != null) { 6291 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 6292 userId); 6293 } 6294 } 6295 } 6296 6297 return new ParceledListSlice<PackageInfo>(list); 6298 } 6299 } 6300 6301 @Override 6302 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 6303 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6304 flags = updateFlagsForApplication(flags, userId, null); 6305 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6306 6307 // writer 6308 synchronized (mPackages) { 6309 ArrayList<ApplicationInfo> list; 6310 if (listUninstalled) { 6311 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 6312 for (PackageSetting ps : mSettings.mPackages.values()) { 6313 ApplicationInfo ai; 6314 if (ps.pkg != null) { 6315 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 6316 ps.readUserState(userId), userId); 6317 } else { 6318 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 6319 } 6320 if (ai != null) { 6321 list.add(ai); 6322 } 6323 } 6324 } else { 6325 list = new ArrayList<ApplicationInfo>(mPackages.size()); 6326 for (PackageParser.Package p : mPackages.values()) { 6327 if (p.mExtras != null) { 6328 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6329 ((PackageSetting)p.mExtras).readUserState(userId), userId); 6330 if (ai != null) { 6331 list.add(ai); 6332 } 6333 } 6334 } 6335 } 6336 6337 return new ParceledListSlice<ApplicationInfo>(list); 6338 } 6339 } 6340 6341 @Override 6342 public ParceledListSlice<EphemeralApplicationInfo> getEphemeralApplications(int userId) { 6343 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 6344 return null; 6345 } 6346 6347 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6348 "getEphemeralApplications"); 6349 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6350 true /* requireFullPermission */, false /* checkShell */, 6351 "getEphemeralApplications"); 6352 synchronized (mPackages) { 6353 List<EphemeralApplicationInfo> ephemeralApps = mEphemeralApplicationRegistry 6354 .getEphemeralApplicationsLPw(userId); 6355 if (ephemeralApps != null) { 6356 return new ParceledListSlice<>(ephemeralApps); 6357 } 6358 } 6359 return null; 6360 } 6361 6362 @Override 6363 public boolean isEphemeralApplication(String packageName, int userId) { 6364 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6365 true /* requireFullPermission */, false /* checkShell */, 6366 "isEphemeral"); 6367 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 6368 return false; 6369 } 6370 6371 if (!isCallerSameApp(packageName)) { 6372 return false; 6373 } 6374 synchronized (mPackages) { 6375 PackageParser.Package pkg = mPackages.get(packageName); 6376 if (pkg != null) { 6377 return pkg.applicationInfo.isEphemeralApp(); 6378 } 6379 } 6380 return false; 6381 } 6382 6383 @Override 6384 public byte[] getEphemeralApplicationCookie(String packageName, int userId) { 6385 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 6386 return null; 6387 } 6388 6389 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6390 true /* requireFullPermission */, false /* checkShell */, 6391 "getCookie"); 6392 if (!isCallerSameApp(packageName)) { 6393 return null; 6394 } 6395 synchronized (mPackages) { 6396 return mEphemeralApplicationRegistry.getEphemeralApplicationCookieLPw( 6397 packageName, userId); 6398 } 6399 } 6400 6401 @Override 6402 public boolean setEphemeralApplicationCookie(String packageName, byte[] cookie, int userId) { 6403 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 6404 return true; 6405 } 6406 6407 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6408 true /* requireFullPermission */, true /* checkShell */, 6409 "setCookie"); 6410 if (!isCallerSameApp(packageName)) { 6411 return false; 6412 } 6413 synchronized (mPackages) { 6414 return mEphemeralApplicationRegistry.setEphemeralApplicationCookieLPw( 6415 packageName, cookie, userId); 6416 } 6417 } 6418 6419 @Override 6420 public Bitmap getEphemeralApplicationIcon(String packageName, int userId) { 6421 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 6422 return null; 6423 } 6424 6425 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6426 "getEphemeralApplicationIcon"); 6427 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6428 true /* requireFullPermission */, false /* checkShell */, 6429 "getEphemeralApplicationIcon"); 6430 synchronized (mPackages) { 6431 return mEphemeralApplicationRegistry.getEphemeralApplicationIconLPw( 6432 packageName, userId); 6433 } 6434 } 6435 6436 private boolean isCallerSameApp(String packageName) { 6437 PackageParser.Package pkg = mPackages.get(packageName); 6438 return pkg != null 6439 && UserHandle.getAppId(Binder.getCallingUid()) == pkg.applicationInfo.uid; 6440 } 6441 6442 @Override 6443 public @NonNull ParceledListSlice<ApplicationInfo> getPersistentApplications(int flags) { 6444 return new ParceledListSlice<>(getPersistentApplicationsInternal(flags)); 6445 } 6446 6447 private @NonNull List<ApplicationInfo> getPersistentApplicationsInternal(int flags) { 6448 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 6449 6450 // reader 6451 synchronized (mPackages) { 6452 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 6453 final int userId = UserHandle.getCallingUserId(); 6454 while (i.hasNext()) { 6455 final PackageParser.Package p = i.next(); 6456 if (p.applicationInfo == null) continue; 6457 6458 final boolean matchesUnaware = ((flags & MATCH_DIRECT_BOOT_UNAWARE) != 0) 6459 && !p.applicationInfo.isDirectBootAware(); 6460 final boolean matchesAware = ((flags & MATCH_DIRECT_BOOT_AWARE) != 0) 6461 && p.applicationInfo.isDirectBootAware(); 6462 6463 if ((p.applicationInfo.flags & ApplicationInfo.FLAG_PERSISTENT) != 0 6464 && (!mSafeMode || isSystemApp(p)) 6465 && (matchesUnaware || matchesAware)) { 6466 PackageSetting ps = mSettings.mPackages.get(p.packageName); 6467 if (ps != null) { 6468 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6469 ps.readUserState(userId), userId); 6470 if (ai != null) { 6471 finalList.add(ai); 6472 } 6473 } 6474 } 6475 } 6476 } 6477 6478 return finalList; 6479 } 6480 6481 @Override 6482 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 6483 if (!sUserManager.exists(userId)) return null; 6484 flags = updateFlagsForComponent(flags, userId, name); 6485 // reader 6486 synchronized (mPackages) { 6487 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 6488 PackageSetting ps = provider != null 6489 ? mSettings.mPackages.get(provider.owner.packageName) 6490 : null; 6491 return ps != null 6492 && mSettings.isEnabledAndMatchLPr(provider.info, flags, userId) 6493 ? PackageParser.generateProviderInfo(provider, flags, 6494 ps.readUserState(userId), userId) 6495 : null; 6496 } 6497 } 6498 6499 /** 6500 * @deprecated 6501 */ 6502 @Deprecated 6503 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 6504 // reader 6505 synchronized (mPackages) { 6506 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 6507 .entrySet().iterator(); 6508 final int userId = UserHandle.getCallingUserId(); 6509 while (i.hasNext()) { 6510 Map.Entry<String, PackageParser.Provider> entry = i.next(); 6511 PackageParser.Provider p = entry.getValue(); 6512 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6513 6514 if (ps != null && p.syncable 6515 && (!mSafeMode || (p.info.applicationInfo.flags 6516 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 6517 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 6518 ps.readUserState(userId), userId); 6519 if (info != null) { 6520 outNames.add(entry.getKey()); 6521 outInfo.add(info); 6522 } 6523 } 6524 } 6525 } 6526 } 6527 6528 @Override 6529 public @NonNull ParceledListSlice<ProviderInfo> queryContentProviders(String processName, 6530 int uid, int flags) { 6531 final int userId = processName != null ? UserHandle.getUserId(uid) 6532 : UserHandle.getCallingUserId(); 6533 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6534 flags = updateFlagsForComponent(flags, userId, processName); 6535 6536 ArrayList<ProviderInfo> finalList = null; 6537 // reader 6538 synchronized (mPackages) { 6539 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 6540 while (i.hasNext()) { 6541 final PackageParser.Provider p = i.next(); 6542 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6543 if (ps != null && p.info.authority != null 6544 && (processName == null 6545 || (p.info.processName.equals(processName) 6546 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 6547 && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 6548 if (finalList == null) { 6549 finalList = new ArrayList<ProviderInfo>(3); 6550 } 6551 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 6552 ps.readUserState(userId), userId); 6553 if (info != null) { 6554 finalList.add(info); 6555 } 6556 } 6557 } 6558 } 6559 6560 if (finalList != null) { 6561 Collections.sort(finalList, mProviderInitOrderSorter); 6562 return new ParceledListSlice<ProviderInfo>(finalList); 6563 } 6564 6565 return ParceledListSlice.emptyList(); 6566 } 6567 6568 @Override 6569 public InstrumentationInfo getInstrumentationInfo(ComponentName name, int flags) { 6570 // reader 6571 synchronized (mPackages) { 6572 final PackageParser.Instrumentation i = mInstrumentation.get(name); 6573 return PackageParser.generateInstrumentationInfo(i, flags); 6574 } 6575 } 6576 6577 @Override 6578 public @NonNull ParceledListSlice<InstrumentationInfo> queryInstrumentation( 6579 String targetPackage, int flags) { 6580 return new ParceledListSlice<>(queryInstrumentationInternal(targetPackage, flags)); 6581 } 6582 6583 private @NonNull List<InstrumentationInfo> queryInstrumentationInternal(String targetPackage, 6584 int flags) { 6585 ArrayList<InstrumentationInfo> finalList = new ArrayList<InstrumentationInfo>(); 6586 6587 // reader 6588 synchronized (mPackages) { 6589 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 6590 while (i.hasNext()) { 6591 final PackageParser.Instrumentation p = i.next(); 6592 if (targetPackage == null 6593 || targetPackage.equals(p.info.targetPackage)) { 6594 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 6595 flags); 6596 if (ii != null) { 6597 finalList.add(ii); 6598 } 6599 } 6600 } 6601 } 6602 6603 return finalList; 6604 } 6605 6606 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 6607 ArrayMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 6608 if (overlays == null) { 6609 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 6610 return; 6611 } 6612 for (PackageParser.Package opkg : overlays.values()) { 6613 // Not much to do if idmap fails: we already logged the error 6614 // and we certainly don't want to abort installation of pkg simply 6615 // because an overlay didn't fit properly. For these reasons, 6616 // ignore the return value of createIdmapForPackagePairLI. 6617 createIdmapForPackagePairLI(pkg, opkg); 6618 } 6619 } 6620 6621 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 6622 PackageParser.Package opkg) { 6623 if (!opkg.mTrustedOverlay) { 6624 Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " + 6625 opkg.baseCodePath + ": overlay not trusted"); 6626 return false; 6627 } 6628 ArrayMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 6629 if (overlaySet == null) { 6630 Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " + 6631 opkg.baseCodePath + " but target package has no known overlays"); 6632 return false; 6633 } 6634 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 6635 // TODO: generate idmap for split APKs 6636 try { 6637 mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid); 6638 } catch (InstallerException e) { 6639 Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and " 6640 + opkg.baseCodePath); 6641 return false; 6642 } 6643 PackageParser.Package[] overlayArray = 6644 overlaySet.values().toArray(new PackageParser.Package[0]); 6645 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 6646 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 6647 return p1.mOverlayPriority - p2.mOverlayPriority; 6648 } 6649 }; 6650 Arrays.sort(overlayArray, cmp); 6651 6652 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 6653 int i = 0; 6654 for (PackageParser.Package p : overlayArray) { 6655 pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath; 6656 } 6657 return true; 6658 } 6659 6660 private void scanDirTracedLI(File dir, final int parseFlags, int scanFlags, long currentTime) { 6661 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanDir"); 6662 try { 6663 scanDirLI(dir, parseFlags, scanFlags, currentTime); 6664 } finally { 6665 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6666 } 6667 } 6668 6669 private void scanDirLI(File dir, final int parseFlags, int scanFlags, long currentTime) { 6670 final File[] files = dir.listFiles(); 6671 if (ArrayUtils.isEmpty(files)) { 6672 Log.d(TAG, "No files in app dir " + dir); 6673 return; 6674 } 6675 6676 if (DEBUG_PACKAGE_SCANNING) { 6677 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 6678 + " flags=0x" + Integer.toHexString(parseFlags)); 6679 } 6680 6681 for (File file : files) { 6682 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 6683 && !PackageInstallerService.isStageName(file.getName()); 6684 if (!isPackage) { 6685 // Ignore entries which are not packages 6686 continue; 6687 } 6688 try { 6689 scanPackageTracedLI(file, parseFlags | PackageParser.PARSE_MUST_BE_APK, 6690 scanFlags, currentTime, null); 6691 } catch (PackageManagerException e) { 6692 Slog.w(TAG, "Failed to parse " + file + ": " + e.getMessage()); 6693 6694 // Delete invalid userdata apps 6695 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 6696 e.error == PackageManager.INSTALL_FAILED_INVALID_APK) { 6697 logCriticalInfo(Log.WARN, "Deleting invalid package at " + file); 6698 removeCodePathLI(file); 6699 } 6700 } 6701 } 6702 } 6703 6704 private static File getSettingsProblemFile() { 6705 File dataDir = Environment.getDataDirectory(); 6706 File systemDir = new File(dataDir, "system"); 6707 File fname = new File(systemDir, "uiderrors.txt"); 6708 return fname; 6709 } 6710 6711 static void reportSettingsProblem(int priority, String msg) { 6712 logCriticalInfo(priority, msg); 6713 } 6714 6715 static void logCriticalInfo(int priority, String msg) { 6716 Slog.println(priority, TAG, msg); 6717 EventLogTags.writePmCriticalInfo(msg); 6718 try { 6719 File fname = getSettingsProblemFile(); 6720 FileOutputStream out = new FileOutputStream(fname, true); 6721 PrintWriter pw = new FastPrintWriter(out); 6722 SimpleDateFormat formatter = new SimpleDateFormat(); 6723 String dateString = formatter.format(new Date(System.currentTimeMillis())); 6724 pw.println(dateString + ": " + msg); 6725 pw.close(); 6726 FileUtils.setPermissions( 6727 fname.toString(), 6728 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 6729 -1, -1); 6730 } catch (java.io.IOException e) { 6731 } 6732 } 6733 6734 private long getLastModifiedTime(PackageParser.Package pkg, File srcFile) { 6735 if (srcFile.isDirectory()) { 6736 final File baseFile = new File(pkg.baseCodePath); 6737 long maxModifiedTime = baseFile.lastModified(); 6738 if (pkg.splitCodePaths != null) { 6739 for (int i = pkg.splitCodePaths.length - 1; i >=0; --i) { 6740 final File splitFile = new File(pkg.splitCodePaths[i]); 6741 maxModifiedTime = Math.max(maxModifiedTime, splitFile.lastModified()); 6742 } 6743 } 6744 return maxModifiedTime; 6745 } 6746 return srcFile.lastModified(); 6747 } 6748 6749 private void collectCertificatesLI(PackageSetting ps, PackageParser.Package pkg, File srcFile, 6750 final int policyFlags) throws PackageManagerException { 6751 // When upgrading from pre-N MR1, verify the package time stamp using the package 6752 // directory and not the APK file. 6753 final long lastModifiedTime = mIsPreNMR1Upgrade 6754 ? new File(pkg.codePath).lastModified() : getLastModifiedTime(pkg, srcFile); 6755 if (ps != null 6756 && ps.codePath.equals(srcFile) 6757 && ps.timeStamp == lastModifiedTime 6758 && !isCompatSignatureUpdateNeeded(pkg) 6759 && !isRecoverSignatureUpdateNeeded(pkg)) { 6760 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 6761 KeySetManagerService ksms = mSettings.mKeySetManagerService; 6762 ArraySet<PublicKey> signingKs; 6763 synchronized (mPackages) { 6764 signingKs = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 6765 } 6766 if (ps.signatures.mSignatures != null 6767 && ps.signatures.mSignatures.length != 0 6768 && signingKs != null) { 6769 // Optimization: reuse the existing cached certificates 6770 // if the package appears to be unchanged. 6771 pkg.mSignatures = ps.signatures.mSignatures; 6772 pkg.mSigningKeys = signingKs; 6773 return; 6774 } 6775 6776 Slog.w(TAG, "PackageSetting for " + ps.name 6777 + " is missing signatures. Collecting certs again to recover them."); 6778 } else { 6779 Slog.i(TAG, srcFile.toString() + " changed; collecting certs"); 6780 } 6781 6782 try { 6783 PackageParser.collectCertificates(pkg, policyFlags); 6784 } catch (PackageParserException e) { 6785 throw PackageManagerException.from(e); 6786 } 6787 } 6788 6789 /** 6790 * Traces a package scan. 6791 * @see #scanPackageLI(File, int, int, long, UserHandle) 6792 */ 6793 private PackageParser.Package scanPackageTracedLI(File scanFile, final int parseFlags, 6794 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 6795 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 6796 try { 6797 return scanPackageLI(scanFile, parseFlags, scanFlags, currentTime, user); 6798 } finally { 6799 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6800 } 6801 } 6802 6803 /** 6804 * Scans a package and returns the newly parsed package. 6805 * Returns {@code null} in case of errors and the error code is stored in mLastScanError 6806 */ 6807 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 6808 long currentTime, UserHandle user) throws PackageManagerException { 6809 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 6810 PackageParser pp = new PackageParser(); 6811 pp.setSeparateProcesses(mSeparateProcesses); 6812 pp.setOnlyCoreApps(mOnlyCore); 6813 pp.setDisplayMetrics(mMetrics); 6814 6815 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 6816 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 6817 } 6818 6819 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 6820 final PackageParser.Package pkg; 6821 try { 6822 pkg = pp.parsePackage(scanFile, parseFlags); 6823 } catch (PackageParserException e) { 6824 throw PackageManagerException.from(e); 6825 } finally { 6826 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6827 } 6828 6829 return scanPackageLI(pkg, scanFile, parseFlags, scanFlags, currentTime, user); 6830 } 6831 6832 /** 6833 * Scans a package and returns the newly parsed package. 6834 * @throws PackageManagerException on a parse error. 6835 */ 6836 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, File scanFile, 6837 final int policyFlags, int scanFlags, long currentTime, UserHandle user) 6838 throws PackageManagerException { 6839 // If the package has children and this is the first dive in the function 6840 // we scan the package with the SCAN_CHECK_ONLY flag set to see whether all 6841 // packages (parent and children) would be successfully scanned before the 6842 // actual scan since scanning mutates internal state and we want to atomically 6843 // install the package and its children. 6844 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 6845 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 6846 scanFlags |= SCAN_CHECK_ONLY; 6847 } 6848 } else { 6849 scanFlags &= ~SCAN_CHECK_ONLY; 6850 } 6851 6852 // Scan the parent 6853 PackageParser.Package scannedPkg = scanPackageInternalLI(pkg, scanFile, policyFlags, 6854 scanFlags, currentTime, user); 6855 6856 // Scan the children 6857 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 6858 for (int i = 0; i < childCount; i++) { 6859 PackageParser.Package childPackage = pkg.childPackages.get(i); 6860 scanPackageInternalLI(childPackage, scanFile, policyFlags, scanFlags, 6861 currentTime, user); 6862 } 6863 6864 6865 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 6866 return scanPackageLI(pkg, scanFile, policyFlags, scanFlags, currentTime, user); 6867 } 6868 6869 return scannedPkg; 6870 } 6871 6872 /** 6873 * Scans a package and returns the newly parsed package. 6874 * @throws PackageManagerException on a parse error. 6875 */ 6876 private PackageParser.Package scanPackageInternalLI(PackageParser.Package pkg, File scanFile, 6877 int policyFlags, int scanFlags, long currentTime, UserHandle user) 6878 throws PackageManagerException { 6879 PackageSetting ps = null; 6880 PackageSetting updatedPkg; 6881 // reader 6882 synchronized (mPackages) { 6883 // Look to see if we already know about this package. 6884 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 6885 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 6886 // This package has been renamed to its original name. Let's 6887 // use that. 6888 ps = mSettings.peekPackageLPr(oldName); 6889 } 6890 // If there was no original package, see one for the real package name. 6891 if (ps == null) { 6892 ps = mSettings.peekPackageLPr(pkg.packageName); 6893 } 6894 // Check to see if this package could be hiding/updating a system 6895 // package. Must look for it either under the original or real 6896 // package name depending on our state. 6897 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 6898 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 6899 6900 // If this is a package we don't know about on the system partition, we 6901 // may need to remove disabled child packages on the system partition 6902 // or may need to not add child packages if the parent apk is updated 6903 // on the data partition and no longer defines this child package. 6904 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6905 // If this is a parent package for an updated system app and this system 6906 // app got an OTA update which no longer defines some of the child packages 6907 // we have to prune them from the disabled system packages. 6908 PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(pkg.packageName); 6909 if (disabledPs != null) { 6910 final int scannedChildCount = (pkg.childPackages != null) 6911 ? pkg.childPackages.size() : 0; 6912 final int disabledChildCount = disabledPs.childPackageNames != null 6913 ? disabledPs.childPackageNames.size() : 0; 6914 for (int i = 0; i < disabledChildCount; i++) { 6915 String disabledChildPackageName = disabledPs.childPackageNames.get(i); 6916 boolean disabledPackageAvailable = false; 6917 for (int j = 0; j < scannedChildCount; j++) { 6918 PackageParser.Package childPkg = pkg.childPackages.get(j); 6919 if (childPkg.packageName.equals(disabledChildPackageName)) { 6920 disabledPackageAvailable = true; 6921 break; 6922 } 6923 } 6924 if (!disabledPackageAvailable) { 6925 mSettings.removeDisabledSystemPackageLPw(disabledChildPackageName); 6926 } 6927 } 6928 } 6929 } 6930 } 6931 6932 boolean updatedPkgBetter = false; 6933 // First check if this is a system package that may involve an update 6934 if (updatedPkg != null && (policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6935 // If new package is not located in "/system/priv-app" (e.g. due to an OTA), 6936 // it needs to drop FLAG_PRIVILEGED. 6937 if (locationIsPrivileged(scanFile)) { 6938 updatedPkg.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6939 } else { 6940 updatedPkg.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6941 } 6942 6943 if (ps != null && !ps.codePath.equals(scanFile)) { 6944 // The path has changed from what was last scanned... check the 6945 // version of the new path against what we have stored to determine 6946 // what to do. 6947 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 6948 if (pkg.mVersionCode <= ps.versionCode) { 6949 // The system package has been updated and the code path does not match 6950 // Ignore entry. Skip it. 6951 if (DEBUG_INSTALL) Slog.i(TAG, "Package " + ps.name + " at " + scanFile 6952 + " ignored: updated version " + ps.versionCode 6953 + " better than this " + pkg.mVersionCode); 6954 if (!updatedPkg.codePath.equals(scanFile)) { 6955 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg " 6956 + ps.name + " changing from " + updatedPkg.codePathString 6957 + " to " + scanFile); 6958 updatedPkg.codePath = scanFile; 6959 updatedPkg.codePathString = scanFile.toString(); 6960 updatedPkg.resourcePath = scanFile; 6961 updatedPkg.resourcePathString = scanFile.toString(); 6962 } 6963 updatedPkg.pkg = pkg; 6964 updatedPkg.versionCode = pkg.mVersionCode; 6965 6966 // Update the disabled system child packages to point to the package too. 6967 final int childCount = updatedPkg.childPackageNames != null 6968 ? updatedPkg.childPackageNames.size() : 0; 6969 for (int i = 0; i < childCount; i++) { 6970 String childPackageName = updatedPkg.childPackageNames.get(i); 6971 PackageSetting updatedChildPkg = mSettings.getDisabledSystemPkgLPr( 6972 childPackageName); 6973 if (updatedChildPkg != null) { 6974 updatedChildPkg.pkg = pkg; 6975 updatedChildPkg.versionCode = pkg.mVersionCode; 6976 } 6977 } 6978 6979 throw new PackageManagerException(Log.WARN, "Package " + ps.name + " at " 6980 + scanFile + " ignored: updated version " + ps.versionCode 6981 + " better than this " + pkg.mVersionCode); 6982 } else { 6983 // The current app on the system partition is better than 6984 // what we have updated to on the data partition; switch 6985 // back to the system partition version. 6986 // At this point, its safely assumed that package installation for 6987 // apps in system partition will go through. If not there won't be a working 6988 // version of the app 6989 // writer 6990 synchronized (mPackages) { 6991 // Just remove the loaded entries from package lists. 6992 mPackages.remove(ps.name); 6993 } 6994 6995 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 6996 + " reverting from " + ps.codePathString 6997 + ": new version " + pkg.mVersionCode 6998 + " better than installed " + ps.versionCode); 6999 7000 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 7001 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 7002 synchronized (mInstallLock) { 7003 args.cleanUpResourcesLI(); 7004 } 7005 synchronized (mPackages) { 7006 mSettings.enableSystemPackageLPw(ps.name); 7007 } 7008 updatedPkgBetter = true; 7009 } 7010 } 7011 } 7012 7013 if (updatedPkg != null) { 7014 // An updated system app will not have the PARSE_IS_SYSTEM flag set 7015 // initially 7016 policyFlags |= PackageParser.PARSE_IS_SYSTEM; 7017 7018 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 7019 // flag set initially 7020 if ((updatedPkg.pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0) { 7021 policyFlags |= PackageParser.PARSE_IS_PRIVILEGED; 7022 } 7023 } 7024 7025 // Verify certificates against what was last scanned 7026 collectCertificatesLI(ps, pkg, scanFile, policyFlags); 7027 7028 /* 7029 * A new system app appeared, but we already had a non-system one of the 7030 * same name installed earlier. 7031 */ 7032 boolean shouldHideSystemApp = false; 7033 if (updatedPkg == null && ps != null 7034 && (policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 7035 /* 7036 * Check to make sure the signatures match first. If they don't, 7037 * wipe the installed application and its data. 7038 */ 7039 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 7040 != PackageManager.SIGNATURE_MATCH) { 7041 logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" 7042 + " signatures don't match existing userdata copy; removing"); 7043 try (PackageFreezer freezer = freezePackage(pkg.packageName, 7044 "scanPackageInternalLI")) { 7045 deletePackageLIF(pkg.packageName, null, true, null, 0, null, false, null); 7046 } 7047 ps = null; 7048 } else { 7049 /* 7050 * If the newly-added system app is an older version than the 7051 * already installed version, hide it. It will be scanned later 7052 * and re-added like an update. 7053 */ 7054 if (pkg.mVersionCode <= ps.versionCode) { 7055 shouldHideSystemApp = true; 7056 logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile 7057 + " but new version " + pkg.mVersionCode + " better than installed " 7058 + ps.versionCode + "; hiding system"); 7059 } else { 7060 /* 7061 * The newly found system app is a newer version that the 7062 * one previously installed. Simply remove the 7063 * already-installed application and replace it with our own 7064 * while keeping the application data. 7065 */ 7066 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 7067 + " reverting from " + ps.codePathString + ": new version " 7068 + pkg.mVersionCode + " better than installed " + ps.versionCode); 7069 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 7070 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 7071 synchronized (mInstallLock) { 7072 args.cleanUpResourcesLI(); 7073 } 7074 } 7075 } 7076 } 7077 7078 // The apk is forward locked (not public) if its code and resources 7079 // are kept in different files. (except for app in either system or 7080 // vendor path). 7081 // TODO grab this value from PackageSettings 7082 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 7083 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 7084 policyFlags |= PackageParser.PARSE_FORWARD_LOCK; 7085 } 7086 } 7087 7088 // TODO: extend to support forward-locked splits 7089 String resourcePath = null; 7090 String baseResourcePath = null; 7091 if ((policyFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 7092 if (ps != null && ps.resourcePathString != null) { 7093 resourcePath = ps.resourcePathString; 7094 baseResourcePath = ps.resourcePathString; 7095 } else { 7096 // Should not happen at all. Just log an error. 7097 Slog.e(TAG, "Resource path not set for package " + pkg.packageName); 7098 } 7099 } else { 7100 resourcePath = pkg.codePath; 7101 baseResourcePath = pkg.baseCodePath; 7102 } 7103 7104 // Set application objects path explicitly. 7105 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 7106 pkg.setApplicationInfoCodePath(pkg.codePath); 7107 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 7108 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 7109 pkg.setApplicationInfoResourcePath(resourcePath); 7110 pkg.setApplicationInfoBaseResourcePath(baseResourcePath); 7111 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 7112 7113 // Note that we invoke the following method only if we are about to unpack an application 7114 PackageParser.Package scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags 7115 | SCAN_UPDATE_SIGNATURE, currentTime, user); 7116 7117 /* 7118 * If the system app should be overridden by a previously installed 7119 * data, hide the system app now and let the /data/app scan pick it up 7120 * again. 7121 */ 7122 if (shouldHideSystemApp) { 7123 synchronized (mPackages) { 7124 mSettings.disableSystemPackageLPw(pkg.packageName, true); 7125 } 7126 } 7127 7128 return scannedPkg; 7129 } 7130 7131 private static String fixProcessName(String defProcessName, 7132 String processName, int uid) { 7133 if (processName == null) { 7134 return defProcessName; 7135 } 7136 return processName; 7137 } 7138 7139 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 7140 throws PackageManagerException { 7141 if (pkgSetting.signatures.mSignatures != null) { 7142 // Already existing package. Make sure signatures match 7143 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 7144 == PackageManager.SIGNATURE_MATCH; 7145 if (!match) { 7146 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 7147 == PackageManager.SIGNATURE_MATCH; 7148 } 7149 if (!match) { 7150 match = compareSignaturesRecover(pkgSetting.signatures, pkg) 7151 == PackageManager.SIGNATURE_MATCH; 7152 } 7153 if (!match) { 7154 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 7155 + pkg.packageName + " signatures do not match the " 7156 + "previously installed version; ignoring!"); 7157 } 7158 } 7159 7160 // Check for shared user signatures 7161 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 7162 // Already existing package. Make sure signatures match 7163 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 7164 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 7165 if (!match) { 7166 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 7167 == PackageManager.SIGNATURE_MATCH; 7168 } 7169 if (!match) { 7170 match = compareSignaturesRecover(pkgSetting.sharedUser.signatures, pkg) 7171 == PackageManager.SIGNATURE_MATCH; 7172 } 7173 if (!match) { 7174 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 7175 "Package " + pkg.packageName 7176 + " has no signatures that match those in shared user " 7177 + pkgSetting.sharedUser.name + "; ignoring!"); 7178 } 7179 } 7180 } 7181 7182 /** 7183 * Enforces that only the system UID or root's UID can call a method exposed 7184 * via Binder. 7185 * 7186 * @param message used as message if SecurityException is thrown 7187 * @throws SecurityException if the caller is not system or root 7188 */ 7189 private static final void enforceSystemOrRoot(String message) { 7190 final int uid = Binder.getCallingUid(); 7191 if (uid != Process.SYSTEM_UID && uid != 0) { 7192 throw new SecurityException(message); 7193 } 7194 } 7195 7196 @Override 7197 public void performFstrimIfNeeded() { 7198 enforceSystemOrRoot("Only the system can request fstrim"); 7199 7200 // Before everything else, see whether we need to fstrim. 7201 try { 7202 IMountService ms = PackageHelper.getMountService(); 7203 if (ms != null) { 7204 boolean doTrim = false; 7205 final long interval = android.provider.Settings.Global.getLong( 7206 mContext.getContentResolver(), 7207 android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL, 7208 DEFAULT_MANDATORY_FSTRIM_INTERVAL); 7209 if (interval > 0) { 7210 final long timeSinceLast = System.currentTimeMillis() - ms.lastMaintenance(); 7211 if (timeSinceLast > interval) { 7212 doTrim = true; 7213 Slog.w(TAG, "No disk maintenance in " + timeSinceLast 7214 + "; running immediately"); 7215 } 7216 } 7217 if (doTrim) { 7218 final boolean dexOptDialogShown; 7219 synchronized (mPackages) { 7220 dexOptDialogShown = mDexOptDialogShown; 7221 } 7222 if (!isFirstBoot() && dexOptDialogShown) { 7223 try { 7224 ActivityManagerNative.getDefault().showBootMessage( 7225 mContext.getResources().getString( 7226 R.string.android_upgrading_fstrim), true); 7227 } catch (RemoteException e) { 7228 } 7229 } 7230 ms.runMaintenance(); 7231 } 7232 } else { 7233 Slog.e(TAG, "Mount service unavailable!"); 7234 } 7235 } catch (RemoteException e) { 7236 // Can't happen; MountService is local 7237 } 7238 } 7239 7240 @Override 7241 public void updatePackagesIfNeeded() { 7242 enforceSystemOrRoot("Only the system can request package update"); 7243 7244 // We need to re-extract after an OTA. 7245 boolean causeUpgrade = isUpgrade(); 7246 7247 // First boot or factory reset. 7248 // Note: we also handle devices that are upgrading to N right now as if it is their 7249 // first boot, as they do not have profile data. 7250 boolean causeFirstBoot = isFirstBoot() || mIsPreNUpgrade; 7251 7252 // We need to re-extract after a pruned cache, as AoT-ed files will be out of date. 7253 boolean causePrunedCache = VMRuntime.didPruneDalvikCache(); 7254 7255 if (!causeUpgrade && !causeFirstBoot && !causePrunedCache) { 7256 return; 7257 } 7258 7259 List<PackageParser.Package> pkgs; 7260 synchronized (mPackages) { 7261 pkgs = PackageManagerServiceUtils.getPackagesForDexopt(mPackages.values(), this); 7262 } 7263 7264 final long startTime = System.nanoTime(); 7265 final int[] stats = performDexOptUpgrade(pkgs, mIsPreNUpgrade /* showDialog */, 7266 getCompilerFilterForReason(causeFirstBoot ? REASON_FIRST_BOOT : REASON_BOOT)); 7267 7268 final int elapsedTimeSeconds = 7269 (int) TimeUnit.NANOSECONDS.toSeconds(System.nanoTime() - startTime); 7270 7271 MetricsLogger.histogram(mContext, "opt_dialog_num_dexopted", stats[0]); 7272 MetricsLogger.histogram(mContext, "opt_dialog_num_skipped", stats[1]); 7273 MetricsLogger.histogram(mContext, "opt_dialog_num_failed", stats[2]); 7274 MetricsLogger.histogram(mContext, "opt_dialog_num_total", getOptimizablePackages().size()); 7275 MetricsLogger.histogram(mContext, "opt_dialog_time_s", elapsedTimeSeconds); 7276 } 7277 7278 /** 7279 * Performs dexopt on the set of packages in {@code packages} and returns an int array 7280 * containing statistics about the invocation. The array consists of three elements, 7281 * which are (in order) {@code numberOfPackagesOptimized}, {@code numberOfPackagesSkipped} 7282 * and {@code numberOfPackagesFailed}. 7283 */ 7284 private int[] performDexOptUpgrade(List<PackageParser.Package> pkgs, boolean showDialog, 7285 String compilerFilter) { 7286 7287 int numberOfPackagesVisited = 0; 7288 int numberOfPackagesOptimized = 0; 7289 int numberOfPackagesSkipped = 0; 7290 int numberOfPackagesFailed = 0; 7291 final int numberOfPackagesToDexopt = pkgs.size(); 7292 7293 for (PackageParser.Package pkg : pkgs) { 7294 numberOfPackagesVisited++; 7295 7296 if (!PackageDexOptimizer.canOptimizePackage(pkg)) { 7297 if (DEBUG_DEXOPT) { 7298 Log.i(TAG, "Skipping update of of non-optimizable app " + pkg.packageName); 7299 } 7300 numberOfPackagesSkipped++; 7301 continue; 7302 } 7303 7304 if (DEBUG_DEXOPT) { 7305 Log.i(TAG, "Updating app " + numberOfPackagesVisited + " of " + 7306 numberOfPackagesToDexopt + ": " + pkg.packageName); 7307 } 7308 7309 if (showDialog) { 7310 try { 7311 ActivityManagerNative.getDefault().showBootMessage( 7312 mContext.getResources().getString(R.string.android_upgrading_apk, 7313 numberOfPackagesVisited, numberOfPackagesToDexopt), true); 7314 } catch (RemoteException e) { 7315 } 7316 synchronized (mPackages) { 7317 mDexOptDialogShown = true; 7318 } 7319 } 7320 7321 // If the OTA updates a system app which was previously preopted to a non-preopted state 7322 // the app might end up being verified at runtime. That's because by default the apps 7323 // are verify-profile but for preopted apps there's no profile. 7324 // Do a hacky check to ensure that if we have no profiles (a reasonable indication 7325 // that before the OTA the app was preopted) the app gets compiled with a non-profile 7326 // filter (by default interpret-only). 7327 // Note that at this stage unused apps are already filtered. 7328 if (isSystemApp(pkg) && 7329 DexFile.isProfileGuidedCompilerFilter(compilerFilter) && 7330 !Environment.getReferenceProfile(pkg.packageName).exists()) { 7331 compilerFilter = getNonProfileGuidedCompilerFilter(compilerFilter); 7332 } 7333 7334 // If the OTA updates a system app which was previously preopted to a non-preopted state 7335 // the app might end up being verified at runtime. That's because by default the apps 7336 // are verify-profile but for preopted apps there's no profile. 7337 // Do a hacky check to ensure that if we have no profiles (a reasonable indication 7338 // that before the OTA the app was preopted) the app gets compiled with a non-profile 7339 // filter (by default interpret-only). 7340 // Note that at this stage unused apps are already filtered. 7341 if (isSystemApp(pkg) && 7342 DexFile.isProfileGuidedCompilerFilter(compilerFilter) && 7343 !Environment.getReferenceProfile(pkg.packageName).exists()) { 7344 compilerFilter = getNonProfileGuidedCompilerFilter(compilerFilter); 7345 } 7346 7347 // checkProfiles is false to avoid merging profiles during boot which 7348 // might interfere with background compilation (b/28612421). 7349 // Unfortunately this will also means that "pm.dexopt.boot=speed-profile" will 7350 // behave differently than "pm.dexopt.bg-dexopt=speed-profile" but that's a 7351 // trade-off worth doing to save boot time work. 7352 int dexOptStatus = performDexOptTraced(pkg.packageName, 7353 false /* checkProfiles */, 7354 compilerFilter, 7355 false /* force */); 7356 switch (dexOptStatus) { 7357 case PackageDexOptimizer.DEX_OPT_PERFORMED: 7358 numberOfPackagesOptimized++; 7359 break; 7360 case PackageDexOptimizer.DEX_OPT_SKIPPED: 7361 numberOfPackagesSkipped++; 7362 break; 7363 case PackageDexOptimizer.DEX_OPT_FAILED: 7364 numberOfPackagesFailed++; 7365 break; 7366 default: 7367 Log.e(TAG, "Unexpected dexopt return code " + dexOptStatus); 7368 break; 7369 } 7370 } 7371 7372 return new int[] { numberOfPackagesOptimized, numberOfPackagesSkipped, 7373 numberOfPackagesFailed }; 7374 } 7375 7376 @Override 7377 public void notifyPackageUse(String packageName, int reason) { 7378 synchronized (mPackages) { 7379 PackageParser.Package p = mPackages.get(packageName); 7380 if (p == null) { 7381 return; 7382 } 7383 p.mLastPackageUsageTimeInMills[reason] = System.currentTimeMillis(); 7384 } 7385 } 7386 7387 @Override 7388 public void notifyDexLoad(String loadingPackageName, List<String> dexPaths, String loaderIsa) { 7389 int userId = UserHandle.getCallingUserId(); 7390 ApplicationInfo ai = getApplicationInfo(loadingPackageName, /*flags*/ 0, userId); 7391 if (ai == null) { 7392 Slog.w(TAG, "Loading a package that does not exist for the calling user. package=" 7393 + loadingPackageName + ", user=" + userId); 7394 return; 7395 } 7396 mDexManager.notifyDexLoad(ai, dexPaths, loaderIsa, userId); 7397 } 7398 7399 // TODO: this is not used nor needed. Delete it. 7400 @Override 7401 public boolean performDexOptIfNeeded(String packageName) { 7402 int dexOptStatus = performDexOptTraced(packageName, 7403 false /* checkProfiles */, getFullCompilerFilter(), false /* force */); 7404 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 7405 } 7406 7407 @Override 7408 public boolean performDexOpt(String packageName, 7409 boolean checkProfiles, int compileReason, boolean force) { 7410 int dexOptStatus = performDexOptTraced(packageName, checkProfiles, 7411 getCompilerFilterForReason(compileReason), force); 7412 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 7413 } 7414 7415 @Override 7416 public boolean performDexOptMode(String packageName, 7417 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7418 int dexOptStatus = performDexOptTraced(packageName, checkProfiles, 7419 targetCompilerFilter, force); 7420 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 7421 } 7422 7423 private int performDexOptTraced(String packageName, 7424 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7425 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7426 try { 7427 return performDexOptInternal(packageName, checkProfiles, 7428 targetCompilerFilter, force); 7429 } finally { 7430 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7431 } 7432 } 7433 7434 // Run dexopt on a given package. Returns true if dexopt did not fail, i.e. 7435 // if the package can now be considered up to date for the given filter. 7436 private int performDexOptInternal(String packageName, 7437 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7438 PackageParser.Package p; 7439 synchronized (mPackages) { 7440 p = mPackages.get(packageName); 7441 if (p == null) { 7442 // Package could not be found. Report failure. 7443 return PackageDexOptimizer.DEX_OPT_FAILED; 7444 } 7445 mPackageUsage.maybeWriteAsync(mPackages); 7446 mCompilerStats.maybeWriteAsync(); 7447 } 7448 long callingId = Binder.clearCallingIdentity(); 7449 try { 7450 synchronized (mInstallLock) { 7451 return performDexOptInternalWithDependenciesLI(p, checkProfiles, 7452 targetCompilerFilter, force); 7453 } 7454 } finally { 7455 Binder.restoreCallingIdentity(callingId); 7456 } 7457 } 7458 7459 public ArraySet<String> getOptimizablePackages() { 7460 ArraySet<String> pkgs = new ArraySet<String>(); 7461 synchronized (mPackages) { 7462 for (PackageParser.Package p : mPackages.values()) { 7463 if (PackageDexOptimizer.canOptimizePackage(p)) { 7464 pkgs.add(p.packageName); 7465 } 7466 } 7467 } 7468 return pkgs; 7469 } 7470 7471 private int performDexOptInternalWithDependenciesLI(PackageParser.Package p, 7472 boolean checkProfiles, String targetCompilerFilter, 7473 boolean force) { 7474 // Select the dex optimizer based on the force parameter. 7475 // Note: The force option is rarely used (cmdline input for testing, mostly), so it's OK to 7476 // allocate an object here. 7477 PackageDexOptimizer pdo = force 7478 ? new PackageDexOptimizer.ForcedUpdatePackageDexOptimizer(mPackageDexOptimizer) 7479 : mPackageDexOptimizer; 7480 7481 // Optimize all dependencies first. Note: we ignore the return value and march on 7482 // on errors. 7483 Collection<PackageParser.Package> deps = findSharedNonSystemLibraries(p); 7484 final String[] instructionSets = getAppDexInstructionSets(p.applicationInfo); 7485 if (!deps.isEmpty()) { 7486 for (PackageParser.Package depPackage : deps) { 7487 // TODO: Analyze and investigate if we (should) profile libraries. 7488 // Currently this will do a full compilation of the library by default. 7489 pdo.performDexOpt(depPackage, null /* sharedLibraries */, instructionSets, 7490 false /* checkProfiles */, 7491 getCompilerFilterForReason(REASON_NON_SYSTEM_LIBRARY), 7492 getOrCreateCompilerPackageStats(depPackage)); 7493 } 7494 } 7495 return pdo.performDexOpt(p, p.usesLibraryFiles, instructionSets, checkProfiles, 7496 targetCompilerFilter, getOrCreateCompilerPackageStats(p)); 7497 } 7498 7499 Collection<PackageParser.Package> findSharedNonSystemLibraries(PackageParser.Package p) { 7500 if (p.usesLibraries != null || p.usesOptionalLibraries != null) { 7501 ArrayList<PackageParser.Package> retValue = new ArrayList<>(); 7502 Set<String> collectedNames = new HashSet<>(); 7503 findSharedNonSystemLibrariesRecursive(p, retValue, collectedNames); 7504 7505 retValue.remove(p); 7506 7507 return retValue; 7508 } else { 7509 return Collections.emptyList(); 7510 } 7511 } 7512 7513 private void findSharedNonSystemLibrariesRecursive(PackageParser.Package p, 7514 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7515 if (!collectedNames.contains(p.packageName)) { 7516 collectedNames.add(p.packageName); 7517 collected.add(p); 7518 7519 if (p.usesLibraries != null) { 7520 findSharedNonSystemLibrariesRecursive(p.usesLibraries, collected, collectedNames); 7521 } 7522 if (p.usesOptionalLibraries != null) { 7523 findSharedNonSystemLibrariesRecursive(p.usesOptionalLibraries, collected, 7524 collectedNames); 7525 } 7526 } 7527 } 7528 7529 private void findSharedNonSystemLibrariesRecursive(Collection<String> libs, 7530 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7531 for (String libName : libs) { 7532 PackageParser.Package libPkg = findSharedNonSystemLibrary(libName); 7533 if (libPkg != null) { 7534 findSharedNonSystemLibrariesRecursive(libPkg, collected, collectedNames); 7535 } 7536 } 7537 } 7538 7539 private PackageParser.Package findSharedNonSystemLibrary(String libName) { 7540 synchronized (mPackages) { 7541 PackageManagerService.SharedLibraryEntry lib = mSharedLibraries.get(libName); 7542 if (lib != null && lib.apk != null) { 7543 return mPackages.get(lib.apk); 7544 } 7545 } 7546 return null; 7547 } 7548 7549 public void shutdown() { 7550 mPackageUsage.writeNow(mPackages); 7551 mCompilerStats.writeNow(); 7552 } 7553 7554 @Override 7555 public void dumpProfiles(String packageName) { 7556 PackageParser.Package pkg; 7557 synchronized (mPackages) { 7558 pkg = mPackages.get(packageName); 7559 if (pkg == null) { 7560 throw new IllegalArgumentException("Unknown package: " + packageName); 7561 } 7562 } 7563 /* Only the shell, root, or the app user should be able to dump profiles. */ 7564 int callingUid = Binder.getCallingUid(); 7565 if (callingUid != Process.SHELL_UID && 7566 callingUid != Process.ROOT_UID && 7567 callingUid != pkg.applicationInfo.uid) { 7568 throw new SecurityException("dumpProfiles"); 7569 } 7570 7571 synchronized (mInstallLock) { 7572 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dump profiles"); 7573 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 7574 try { 7575 List<String> allCodePaths = pkg.getAllCodePathsExcludingResourceOnly(); 7576 String codePaths = TextUtils.join(";", allCodePaths); 7577 mInstaller.dumpProfiles(sharedGid, packageName, codePaths); 7578 } catch (InstallerException e) { 7579 Slog.w(TAG, "Failed to dump profiles", e); 7580 } 7581 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7582 } 7583 } 7584 7585 @Override 7586 public void forceDexOpt(String packageName) { 7587 enforceSystemOrRoot("forceDexOpt"); 7588 7589 PackageParser.Package pkg; 7590 synchronized (mPackages) { 7591 pkg = mPackages.get(packageName); 7592 if (pkg == null) { 7593 throw new IllegalArgumentException("Unknown package: " + packageName); 7594 } 7595 } 7596 7597 synchronized (mInstallLock) { 7598 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7599 7600 // Whoever is calling forceDexOpt wants a fully compiled package. 7601 // Don't use profiles since that may cause compilation to be skipped. 7602 final int res = performDexOptInternalWithDependenciesLI(pkg, 7603 false /* checkProfiles */, getCompilerFilterForReason(REASON_FORCED_DEXOPT), 7604 true /* force */); 7605 7606 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7607 if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) { 7608 throw new IllegalStateException("Failed to dexopt: " + res); 7609 } 7610 } 7611 } 7612 7613 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 7614 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 7615 Slog.w(TAG, "Unable to update from " + oldPkg.name 7616 + " to " + newPkg.packageName 7617 + ": old package not in system partition"); 7618 return false; 7619 } else if (mPackages.get(oldPkg.name) != null) { 7620 Slog.w(TAG, "Unable to update from " + oldPkg.name 7621 + " to " + newPkg.packageName 7622 + ": old package still exists"); 7623 return false; 7624 } 7625 return true; 7626 } 7627 7628 void removeCodePathLI(File codePath) { 7629 if (codePath.isDirectory()) { 7630 try { 7631 mInstaller.rmPackageDir(codePath.getAbsolutePath()); 7632 } catch (InstallerException e) { 7633 Slog.w(TAG, "Failed to remove code path", e); 7634 } 7635 } else { 7636 codePath.delete(); 7637 } 7638 } 7639 7640 private int[] resolveUserIds(int userId) { 7641 return (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() : new int[] { userId }; 7642 } 7643 7644 private void clearAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 7645 if (pkg == null) { 7646 Slog.wtf(TAG, "Package was null!", new Throwable()); 7647 return; 7648 } 7649 clearAppDataLeafLIF(pkg, userId, flags); 7650 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7651 for (int i = 0; i < childCount; i++) { 7652 clearAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 7653 } 7654 } 7655 7656 private void clearAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 7657 final PackageSetting ps; 7658 synchronized (mPackages) { 7659 ps = mSettings.mPackages.get(pkg.packageName); 7660 } 7661 for (int realUserId : resolveUserIds(userId)) { 7662 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 7663 try { 7664 mInstaller.clearAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 7665 ceDataInode); 7666 } catch (InstallerException e) { 7667 Slog.w(TAG, String.valueOf(e)); 7668 } 7669 } 7670 } 7671 7672 private void destroyAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 7673 if (pkg == null) { 7674 Slog.wtf(TAG, "Package was null!", new Throwable()); 7675 return; 7676 } 7677 destroyAppDataLeafLIF(pkg, userId, flags); 7678 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7679 for (int i = 0; i < childCount; i++) { 7680 destroyAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 7681 } 7682 } 7683 7684 private void destroyAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 7685 final PackageSetting ps; 7686 synchronized (mPackages) { 7687 ps = mSettings.mPackages.get(pkg.packageName); 7688 } 7689 for (int realUserId : resolveUserIds(userId)) { 7690 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 7691 try { 7692 mInstaller.destroyAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 7693 ceDataInode); 7694 } catch (InstallerException e) { 7695 Slog.w(TAG, String.valueOf(e)); 7696 } 7697 } 7698 } 7699 7700 private void destroyAppProfilesLIF(PackageParser.Package pkg, int userId) { 7701 if (pkg == null) { 7702 Slog.wtf(TAG, "Package was null!", new Throwable()); 7703 return; 7704 } 7705 destroyAppProfilesLeafLIF(pkg); 7706 destroyAppReferenceProfileLeafLIF(pkg, userId, true /* removeBaseMarker */); 7707 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7708 for (int i = 0; i < childCount; i++) { 7709 destroyAppProfilesLeafLIF(pkg.childPackages.get(i)); 7710 destroyAppReferenceProfileLeafLIF(pkg.childPackages.get(i), userId, 7711 true /* removeBaseMarker */); 7712 } 7713 } 7714 7715 private void destroyAppReferenceProfileLeafLIF(PackageParser.Package pkg, int userId, 7716 boolean removeBaseMarker) { 7717 if (pkg.isForwardLocked()) { 7718 return; 7719 } 7720 7721 for (String path : pkg.getAllCodePathsExcludingResourceOnly()) { 7722 try { 7723 path = PackageManagerServiceUtils.realpath(new File(path)); 7724 } catch (IOException e) { 7725 // TODO: Should we return early here ? 7726 Slog.w(TAG, "Failed to get canonical path", e); 7727 continue; 7728 } 7729 7730 final String useMarker = path.replace('/', '@'); 7731 for (int realUserId : resolveUserIds(userId)) { 7732 File profileDir = Environment.getDataProfilesDeForeignDexDirectory(realUserId); 7733 if (removeBaseMarker) { 7734 File foreignUseMark = new File(profileDir, useMarker); 7735 if (foreignUseMark.exists()) { 7736 if (!foreignUseMark.delete()) { 7737 Slog.w(TAG, "Unable to delete foreign user mark for package: " 7738 + pkg.packageName); 7739 } 7740 } 7741 } 7742 7743 File[] markers = profileDir.listFiles(); 7744 if (markers != null) { 7745 final String searchString = "@" + pkg.packageName + "@"; 7746 // We also delete all markers that contain the package name we're 7747 // uninstalling. These are associated with secondary dex-files belonging 7748 // to the package. Reconstructing the path of these dex files is messy 7749 // in general. 7750 for (File marker : markers) { 7751 if (marker.getName().indexOf(searchString) > 0) { 7752 if (!marker.delete()) { 7753 Slog.w(TAG, "Unable to delete foreign user mark for package: " 7754 + pkg.packageName); 7755 } 7756 } 7757 } 7758 } 7759 } 7760 } 7761 } 7762 7763 private void destroyAppProfilesLeafLIF(PackageParser.Package pkg) { 7764 try { 7765 mInstaller.destroyAppProfiles(pkg.packageName); 7766 } catch (InstallerException e) { 7767 Slog.w(TAG, String.valueOf(e)); 7768 } 7769 } 7770 7771 private void clearAppProfilesLIF(PackageParser.Package pkg, int userId) { 7772 if (pkg == null) { 7773 Slog.wtf(TAG, "Package was null!", new Throwable()); 7774 return; 7775 } 7776 clearAppProfilesLeafLIF(pkg); 7777 // We don't remove the base foreign use marker when clearing profiles because 7778 // we will rename it when the app is updated. Unlike the actual profile contents, 7779 // the foreign use marker is good across installs. 7780 destroyAppReferenceProfileLeafLIF(pkg, userId, false /* removeBaseMarker */); 7781 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7782 for (int i = 0; i < childCount; i++) { 7783 clearAppProfilesLeafLIF(pkg.childPackages.get(i)); 7784 } 7785 } 7786 7787 private void clearAppProfilesLeafLIF(PackageParser.Package pkg) { 7788 try { 7789 mInstaller.clearAppProfiles(pkg.packageName); 7790 } catch (InstallerException e) { 7791 Slog.w(TAG, String.valueOf(e)); 7792 } 7793 } 7794 7795 private void setInstallAndUpdateTime(PackageParser.Package pkg, long firstInstallTime, 7796 long lastUpdateTime) { 7797 // Set parent install/update time 7798 PackageSetting ps = (PackageSetting) pkg.mExtras; 7799 if (ps != null) { 7800 ps.firstInstallTime = firstInstallTime; 7801 ps.lastUpdateTime = lastUpdateTime; 7802 } 7803 // Set children install/update time 7804 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7805 for (int i = 0; i < childCount; i++) { 7806 PackageParser.Package childPkg = pkg.childPackages.get(i); 7807 ps = (PackageSetting) childPkg.mExtras; 7808 if (ps != null) { 7809 ps.firstInstallTime = firstInstallTime; 7810 ps.lastUpdateTime = lastUpdateTime; 7811 } 7812 } 7813 } 7814 7815 private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 7816 PackageParser.Package changingLib) { 7817 if (file.path != null) { 7818 usesLibraryFiles.add(file.path); 7819 return; 7820 } 7821 PackageParser.Package p = mPackages.get(file.apk); 7822 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 7823 // If we are doing this while in the middle of updating a library apk, 7824 // then we need to make sure to use that new apk for determining the 7825 // dependencies here. (We haven't yet finished committing the new apk 7826 // to the package manager state.) 7827 if (p == null || p.packageName.equals(changingLib.packageName)) { 7828 p = changingLib; 7829 } 7830 } 7831 if (p != null) { 7832 usesLibraryFiles.addAll(p.getAllCodePaths()); 7833 } 7834 } 7835 7836 private void updateSharedLibrariesLPw(PackageParser.Package pkg, 7837 PackageParser.Package changingLib) throws PackageManagerException { 7838 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 7839 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 7840 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 7841 for (int i=0; i<N; i++) { 7842 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 7843 if (file == null) { 7844 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 7845 "Package " + pkg.packageName + " requires unavailable shared library " 7846 + pkg.usesLibraries.get(i) + "; failing!"); 7847 } 7848 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 7849 } 7850 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 7851 for (int i=0; i<N; i++) { 7852 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 7853 if (file == null) { 7854 Slog.w(TAG, "Package " + pkg.packageName 7855 + " desires unavailable shared library " 7856 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 7857 } else { 7858 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 7859 } 7860 } 7861 N = usesLibraryFiles.size(); 7862 if (N > 0) { 7863 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 7864 } else { 7865 pkg.usesLibraryFiles = null; 7866 } 7867 } 7868 } 7869 7870 private static boolean hasString(List<String> list, List<String> which) { 7871 if (list == null) { 7872 return false; 7873 } 7874 for (int i=list.size()-1; i>=0; i--) { 7875 for (int j=which.size()-1; j>=0; j--) { 7876 if (which.get(j).equals(list.get(i))) { 7877 return true; 7878 } 7879 } 7880 } 7881 return false; 7882 } 7883 7884 private void updateAllSharedLibrariesLPw() { 7885 for (PackageParser.Package pkg : mPackages.values()) { 7886 try { 7887 updateSharedLibrariesLPw(pkg, null); 7888 } catch (PackageManagerException e) { 7889 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7890 } 7891 } 7892 } 7893 7894 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 7895 PackageParser.Package changingPkg) { 7896 ArrayList<PackageParser.Package> res = null; 7897 for (PackageParser.Package pkg : mPackages.values()) { 7898 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 7899 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 7900 if (res == null) { 7901 res = new ArrayList<PackageParser.Package>(); 7902 } 7903 res.add(pkg); 7904 try { 7905 updateSharedLibrariesLPw(pkg, changingPkg); 7906 } catch (PackageManagerException e) { 7907 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7908 } 7909 } 7910 } 7911 return res; 7912 } 7913 7914 /** 7915 * Derive the value of the {@code cpuAbiOverride} based on the provided 7916 * value and an optional stored value from the package settings. 7917 */ 7918 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 7919 String cpuAbiOverride = null; 7920 7921 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 7922 cpuAbiOverride = null; 7923 } else if (abiOverride != null) { 7924 cpuAbiOverride = abiOverride; 7925 } else if (settings != null) { 7926 cpuAbiOverride = settings.cpuAbiOverrideString; 7927 } 7928 7929 return cpuAbiOverride; 7930 } 7931 7932 private PackageParser.Package scanPackageTracedLI(PackageParser.Package pkg, 7933 final int policyFlags, int scanFlags, long currentTime, UserHandle user) 7934 throws PackageManagerException { 7935 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 7936 // If the package has children and this is the first dive in the function 7937 // we recursively scan the package with the SCAN_CHECK_ONLY flag set to see 7938 // whether all packages (parent and children) would be successfully scanned 7939 // before the actual scan since scanning mutates internal state and we want 7940 // to atomically install the package and its children. 7941 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7942 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 7943 scanFlags |= SCAN_CHECK_ONLY; 7944 } 7945 } else { 7946 scanFlags &= ~SCAN_CHECK_ONLY; 7947 } 7948 7949 final PackageParser.Package scannedPkg; 7950 try { 7951 // Scan the parent 7952 scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags, currentTime, user); 7953 // Scan the children 7954 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7955 for (int i = 0; i < childCount; i++) { 7956 PackageParser.Package childPkg = pkg.childPackages.get(i); 7957 scanPackageLI(childPkg, policyFlags, 7958 scanFlags, currentTime, user); 7959 } 7960 } finally { 7961 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7962 } 7963 7964 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 7965 return scanPackageTracedLI(pkg, policyFlags, scanFlags, currentTime, user); 7966 } 7967 7968 return scannedPkg; 7969 } 7970 7971 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, final int policyFlags, 7972 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 7973 boolean success = false; 7974 try { 7975 final PackageParser.Package res = scanPackageDirtyLI(pkg, policyFlags, scanFlags, 7976 currentTime, user); 7977 success = true; 7978 return res; 7979 } finally { 7980 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 7981 // DELETE_DATA_ON_FAILURES is only used by frozen paths 7982 destroyAppDataLIF(pkg, UserHandle.USER_ALL, 7983 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 7984 destroyAppProfilesLIF(pkg, UserHandle.USER_ALL); 7985 } 7986 } 7987 } 7988 7989 /** 7990 * Returns {@code true} if the given file contains code. Otherwise {@code false}. 7991 */ 7992 private static boolean apkHasCode(String fileName) { 7993 StrictJarFile jarFile = null; 7994 try { 7995 jarFile = new StrictJarFile(fileName, 7996 false /*verify*/, false /*signatureSchemeRollbackProtectionsEnforced*/); 7997 return jarFile.findEntry("classes.dex") != null; 7998 } catch (IOException ignore) { 7999 } finally { 8000 try { 8001 if (jarFile != null) { 8002 jarFile.close(); 8003 } 8004 } catch (IOException ignore) {} 8005 } 8006 return false; 8007 } 8008 8009 /** 8010 * Enforces code policy for the package. This ensures that if an APK has 8011 * declared hasCode="true" in its manifest that the APK actually contains 8012 * code. 8013 * 8014 * @throws PackageManagerException If bytecode could not be found when it should exist 8015 */ 8016 private static void enforceCodePolicy(PackageParser.Package pkg) 8017 throws PackageManagerException { 8018 final boolean shouldHaveCode = 8019 (pkg.applicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) != 0; 8020 if (shouldHaveCode && !apkHasCode(pkg.baseCodePath)) { 8021 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 8022 "Package " + pkg.baseCodePath + " code is missing"); 8023 } 8024 8025 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 8026 for (int i = 0; i < pkg.splitCodePaths.length; i++) { 8027 final boolean splitShouldHaveCode = 8028 (pkg.splitFlags[i] & ApplicationInfo.FLAG_HAS_CODE) != 0; 8029 if (splitShouldHaveCode && !apkHasCode(pkg.splitCodePaths[i])) { 8030 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 8031 "Package " + pkg.splitCodePaths[i] + " code is missing"); 8032 } 8033 } 8034 } 8035 } 8036 8037 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, 8038 final int policyFlags, final int scanFlags, long currentTime, UserHandle user) 8039 throws PackageManagerException { 8040 final File scanFile = new File(pkg.codePath); 8041 if (pkg.applicationInfo.getCodePath() == null || 8042 pkg.applicationInfo.getResourcePath() == null) { 8043 // Bail out. The resource and code paths haven't been set. 8044 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 8045 "Code and resource paths haven't been set correctly"); 8046 } 8047 8048 // Apply policy 8049 if ((policyFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 8050 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 8051 if (pkg.applicationInfo.isDirectBootAware()) { 8052 // we're direct boot aware; set for all components 8053 for (PackageParser.Service s : pkg.services) { 8054 s.info.encryptionAware = s.info.directBootAware = true; 8055 } 8056 for (PackageParser.Provider p : pkg.providers) { 8057 p.info.encryptionAware = p.info.directBootAware = true; 8058 } 8059 for (PackageParser.Activity a : pkg.activities) { 8060 a.info.encryptionAware = a.info.directBootAware = true; 8061 } 8062 for (PackageParser.Activity r : pkg.receivers) { 8063 r.info.encryptionAware = r.info.directBootAware = true; 8064 } 8065 } 8066 } else { 8067 // Only allow system apps to be flagged as core apps. 8068 pkg.coreApp = false; 8069 // clear flags not applicable to regular apps 8070 pkg.applicationInfo.privateFlags &= 8071 ~ApplicationInfo.PRIVATE_FLAG_DEFAULT_TO_DEVICE_PROTECTED_STORAGE; 8072 pkg.applicationInfo.privateFlags &= 8073 ~ApplicationInfo.PRIVATE_FLAG_DIRECT_BOOT_AWARE; 8074 } 8075 pkg.mTrustedOverlay = (policyFlags&PackageParser.PARSE_TRUSTED_OVERLAY) != 0; 8076 8077 if ((policyFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 8078 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 8079 } 8080 8081 if ((policyFlags & PackageParser.PARSE_ENFORCE_CODE) != 0) { 8082 enforceCodePolicy(pkg); 8083 } 8084 8085 if (mCustomResolverComponentName != null && 8086 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 8087 setUpCustomResolverActivity(pkg); 8088 } 8089 8090 if (pkg.packageName.equals("android")) { 8091 synchronized (mPackages) { 8092 if (mAndroidApplication != null) { 8093 Slog.w(TAG, "*************************************************"); 8094 Slog.w(TAG, "Core android package being redefined. Skipping."); 8095 Slog.w(TAG, " file=" + scanFile); 8096 Slog.w(TAG, "*************************************************"); 8097 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 8098 "Core android package being redefined. Skipping."); 8099 } 8100 8101 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 8102 // Set up information for our fall-back user intent resolution activity. 8103 mPlatformPackage = pkg; 8104 pkg.mVersionCode = mSdkVersion; 8105 mAndroidApplication = pkg.applicationInfo; 8106 8107 if (!mResolverReplaced) { 8108 mResolveActivity.applicationInfo = mAndroidApplication; 8109 mResolveActivity.name = ResolverActivity.class.getName(); 8110 mResolveActivity.packageName = mAndroidApplication.packageName; 8111 mResolveActivity.processName = "system:ui"; 8112 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 8113 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 8114 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 8115 mResolveActivity.theme = R.style.Theme_Material_Dialog_Alert; 8116 mResolveActivity.exported = true; 8117 mResolveActivity.enabled = true; 8118 mResolveActivity.resizeMode = ActivityInfo.RESIZE_MODE_RESIZEABLE; 8119 mResolveActivity.configChanges = ActivityInfo.CONFIG_SCREEN_SIZE 8120 | ActivityInfo.CONFIG_SMALLEST_SCREEN_SIZE 8121 | ActivityInfo.CONFIG_SCREEN_LAYOUT 8122 | ActivityInfo.CONFIG_ORIENTATION 8123 | ActivityInfo.CONFIG_KEYBOARD 8124 | ActivityInfo.CONFIG_KEYBOARD_HIDDEN; 8125 mResolveInfo.activityInfo = mResolveActivity; 8126 mResolveInfo.priority = 0; 8127 mResolveInfo.preferredOrder = 0; 8128 mResolveInfo.match = 0; 8129 mResolveComponentName = new ComponentName( 8130 mAndroidApplication.packageName, mResolveActivity.name); 8131 } 8132 } 8133 } 8134 } 8135 8136 if (DEBUG_PACKAGE_SCANNING) { 8137 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 8138 Log.d(TAG, "Scanning package " + pkg.packageName); 8139 } 8140 8141 synchronized (mPackages) { 8142 if (mPackages.containsKey(pkg.packageName) 8143 || mSharedLibraries.containsKey(pkg.packageName)) { 8144 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 8145 "Application package " + pkg.packageName 8146 + " already installed. Skipping duplicate."); 8147 } 8148 8149 // If we're only installing presumed-existing packages, require that the 8150 // scanned APK is both already known and at the path previously established 8151 // for it. Previously unknown packages we pick up normally, but if we have an 8152 // a priori expectation about this package's install presence, enforce it. 8153 // With a singular exception for new system packages. When an OTA contains 8154 // a new system package, we allow the codepath to change from a system location 8155 // to the user-installed location. If we don't allow this change, any newer, 8156 // user-installed version of the application will be ignored. 8157 if ((scanFlags & SCAN_REQUIRE_KNOWN) != 0) { 8158 if (mExpectingBetter.containsKey(pkg.packageName)) { 8159 logCriticalInfo(Log.WARN, 8160 "Relax SCAN_REQUIRE_KNOWN requirement for package " + pkg.packageName); 8161 } else { 8162 PackageSetting known = mSettings.peekPackageLPr(pkg.packageName); 8163 if (known != null) { 8164 if (DEBUG_PACKAGE_SCANNING) { 8165 Log.d(TAG, "Examining " + pkg.codePath 8166 + " and requiring known paths " + known.codePathString 8167 + " & " + known.resourcePathString); 8168 } 8169 if (!pkg.applicationInfo.getCodePath().equals(known.codePathString) 8170 || !pkg.applicationInfo.getResourcePath().equals( 8171 known.resourcePathString)) { 8172 throw new PackageManagerException(INSTALL_FAILED_PACKAGE_CHANGED, 8173 "Application package " + pkg.packageName 8174 + " found at " + pkg.applicationInfo.getCodePath() 8175 + " but expected at " + known.codePathString 8176 + "; ignoring."); 8177 } 8178 } 8179 } 8180 } 8181 } 8182 8183 // Initialize package source and resource directories 8184 File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 8185 File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 8186 8187 SharedUserSetting suid = null; 8188 PackageSetting pkgSetting = null; 8189 8190 if (!isSystemApp(pkg)) { 8191 // Only system apps can use these features. 8192 pkg.mOriginalPackages = null; 8193 pkg.mRealPackage = null; 8194 pkg.mAdoptPermissions = null; 8195 } 8196 8197 // Getting the package setting may have a side-effect, so if we 8198 // are only checking if scan would succeed, stash a copy of the 8199 // old setting to restore at the end. 8200 PackageSetting nonMutatedPs = null; 8201 8202 // writer 8203 synchronized (mPackages) { 8204 if (pkg.mSharedUserId != null) { 8205 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, 0, true); 8206 if (suid == null) { 8207 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 8208 "Creating application package " + pkg.packageName 8209 + " for shared user failed"); 8210 } 8211 if (DEBUG_PACKAGE_SCANNING) { 8212 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 8213 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 8214 + "): packages=" + suid.packages); 8215 } 8216 } 8217 8218 // Check if we are renaming from an original package name. 8219 PackageSetting origPackage = null; 8220 String realName = null; 8221 if (pkg.mOriginalPackages != null) { 8222 // This package may need to be renamed to a previously 8223 // installed name. Let's check on that... 8224 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 8225 if (pkg.mOriginalPackages.contains(renamed)) { 8226 // This package had originally been installed as the 8227 // original name, and we have already taken care of 8228 // transitioning to the new one. Just update the new 8229 // one to continue using the old name. 8230 realName = pkg.mRealPackage; 8231 if (!pkg.packageName.equals(renamed)) { 8232 // Callers into this function may have already taken 8233 // care of renaming the package; only do it here if 8234 // it is not already done. 8235 pkg.setPackageName(renamed); 8236 } 8237 8238 } else { 8239 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 8240 if ((origPackage = mSettings.peekPackageLPr( 8241 pkg.mOriginalPackages.get(i))) != null) { 8242 // We do have the package already installed under its 8243 // original name... should we use it? 8244 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 8245 // New package is not compatible with original. 8246 origPackage = null; 8247 continue; 8248 } else if (origPackage.sharedUser != null) { 8249 // Make sure uid is compatible between packages. 8250 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 8251 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 8252 + " to " + pkg.packageName + ": old uid " 8253 + origPackage.sharedUser.name 8254 + " differs from " + pkg.mSharedUserId); 8255 origPackage = null; 8256 continue; 8257 } 8258 // TODO: Add case when shared user id is added [b/28144775] 8259 } else { 8260 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 8261 + pkg.packageName + " to old name " + origPackage.name); 8262 } 8263 break; 8264 } 8265 } 8266 } 8267 } 8268 8269 if (mTransferedPackages.contains(pkg.packageName)) { 8270 Slog.w(TAG, "Package " + pkg.packageName 8271 + " was transferred to another, but its .apk remains"); 8272 } 8273 8274 // See comments in nonMutatedPs declaration 8275 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 8276 PackageSetting foundPs = mSettings.peekPackageLPr(pkg.packageName); 8277 if (foundPs != null) { 8278 nonMutatedPs = new PackageSetting(foundPs); 8279 } 8280 } 8281 8282 // Just create the setting, don't add it yet. For already existing packages 8283 // the PkgSetting exists already and doesn't have to be created. 8284 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 8285 destResourceFile, pkg.applicationInfo.nativeLibraryRootDir, 8286 pkg.applicationInfo.primaryCpuAbi, 8287 pkg.applicationInfo.secondaryCpuAbi, 8288 pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags, 8289 user, false); 8290 if (pkgSetting == null) { 8291 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 8292 "Creating application package " + pkg.packageName + " failed"); 8293 } 8294 8295 if (pkgSetting.origPackage != null) { 8296 // If we are first transitioning from an original package, 8297 // fix up the new package's name now. We need to do this after 8298 // looking up the package under its new name, so getPackageLP 8299 // can take care of fiddling things correctly. 8300 pkg.setPackageName(origPackage.name); 8301 8302 // File a report about this. 8303 String msg = "New package " + pkgSetting.realName 8304 + " renamed to replace old package " + pkgSetting.name; 8305 reportSettingsProblem(Log.WARN, msg); 8306 8307 // Make a note of it. 8308 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 8309 mTransferedPackages.add(origPackage.name); 8310 } 8311 8312 // No longer need to retain this. 8313 pkgSetting.origPackage = null; 8314 } 8315 8316 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && realName != null) { 8317 // Make a note of it. 8318 mTransferedPackages.add(pkg.packageName); 8319 } 8320 8321 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 8322 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 8323 } 8324 8325 if ((policyFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8326 // Check all shared libraries and map to their actual file path. 8327 // We only do this here for apps not on a system dir, because those 8328 // are the only ones that can fail an install due to this. We 8329 // will take care of the system apps by updating all of their 8330 // library paths after the scan is done. 8331 updateSharedLibrariesLPw(pkg, null); 8332 } 8333 8334 if (mFoundPolicyFile) { 8335 SELinuxMMAC.assignSeinfoValue(pkg); 8336 } 8337 8338 pkg.applicationInfo.uid = pkgSetting.appId; 8339 pkg.mExtras = pkgSetting; 8340 if (shouldCheckUpgradeKeySetLP(pkgSetting, scanFlags)) { 8341 if (checkUpgradeKeySetLP(pkgSetting, pkg)) { 8342 // We just determined the app is signed correctly, so bring 8343 // over the latest parsed certs. 8344 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8345 } else { 8346 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8347 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 8348 "Package " + pkg.packageName + " upgrade keys do not match the " 8349 + "previously installed version"); 8350 } else { 8351 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8352 String msg = "System package " + pkg.packageName 8353 + " signature changed; retaining data."; 8354 reportSettingsProblem(Log.WARN, msg); 8355 } 8356 } 8357 } else { 8358 try { 8359 verifySignaturesLP(pkgSetting, pkg); 8360 // We just determined the app is signed correctly, so bring 8361 // over the latest parsed certs. 8362 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8363 } catch (PackageManagerException e) { 8364 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8365 throw e; 8366 } 8367 // The signature has changed, but this package is in the system 8368 // image... let's recover! 8369 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8370 // However... if this package is part of a shared user, but it 8371 // doesn't match the signature of the shared user, let's fail. 8372 // What this means is that you can't change the signatures 8373 // associated with an overall shared user, which doesn't seem all 8374 // that unreasonable. 8375 if (pkgSetting.sharedUser != null) { 8376 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 8377 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 8378 throw new PackageManagerException( 8379 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 8380 "Signature mismatch for shared user: " 8381 + pkgSetting.sharedUser); 8382 } 8383 } 8384 // File a report about this. 8385 String msg = "System package " + pkg.packageName 8386 + " signature changed; retaining data."; 8387 reportSettingsProblem(Log.WARN, msg); 8388 } 8389 } 8390 // Verify that this new package doesn't have any content providers 8391 // that conflict with existing packages. Only do this if the 8392 // package isn't already installed, since we don't want to break 8393 // things that are installed. 8394 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 8395 final int N = pkg.providers.size(); 8396 int i; 8397 for (i=0; i<N; i++) { 8398 PackageParser.Provider p = pkg.providers.get(i); 8399 if (p.info.authority != null) { 8400 String names[] = p.info.authority.split(";"); 8401 for (int j = 0; j < names.length; j++) { 8402 if (mProvidersByAuthority.containsKey(names[j])) { 8403 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 8404 final String otherPackageName = 8405 ((other != null && other.getComponentName() != null) ? 8406 other.getComponentName().getPackageName() : "?"); 8407 throw new PackageManagerException( 8408 INSTALL_FAILED_CONFLICTING_PROVIDER, 8409 "Can't install because provider name " + names[j] 8410 + " (in package " + pkg.applicationInfo.packageName 8411 + ") is already used by " + otherPackageName); 8412 } 8413 } 8414 } 8415 } 8416 } 8417 8418 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && pkg.mAdoptPermissions != null) { 8419 // This package wants to adopt ownership of permissions from 8420 // another package. 8421 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 8422 final String origName = pkg.mAdoptPermissions.get(i); 8423 final PackageSetting orig = mSettings.peekPackageLPr(origName); 8424 if (orig != null) { 8425 if (verifyPackageUpdateLPr(orig, pkg)) { 8426 Slog.i(TAG, "Adopting permissions from " + origName + " to " 8427 + pkg.packageName); 8428 mSettings.transferPermissionsLPw(origName, pkg.packageName); 8429 } 8430 } 8431 } 8432 } 8433 } 8434 8435 final String pkgName = pkg.packageName; 8436 8437 final long scanFileTime = getLastModifiedTime(pkg, scanFile); 8438 final boolean forceDex = (scanFlags & SCAN_FORCE_DEX) != 0; 8439 pkg.applicationInfo.processName = fixProcessName( 8440 pkg.applicationInfo.packageName, 8441 pkg.applicationInfo.processName, 8442 pkg.applicationInfo.uid); 8443 8444 if (pkg != mPlatformPackage) { 8445 // Get all of our default paths setup 8446 pkg.applicationInfo.initForUser(UserHandle.USER_SYSTEM); 8447 } 8448 8449 final String path = scanFile.getPath(); 8450 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 8451 8452 if ((scanFlags & SCAN_NEW_INSTALL) == 0) { 8453 derivePackageAbi(pkg, scanFile, cpuAbiOverride, true /* extract libs */); 8454 8455 // Some system apps still use directory structure for native libraries 8456 // in which case we might end up not detecting abi solely based on apk 8457 // structure. Try to detect abi based on directory structure. 8458 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp() && 8459 pkg.applicationInfo.primaryCpuAbi == null) { 8460 setBundledAppAbisAndRoots(pkg, pkgSetting); 8461 setNativeLibraryPaths(pkg); 8462 } 8463 8464 } else { 8465 if ((scanFlags & SCAN_MOVE) != 0) { 8466 // We haven't run dex-opt for this move (since we've moved the compiled output too) 8467 // but we already have this packages package info in the PackageSetting. We just 8468 // use that and derive the native library path based on the new codepath. 8469 pkg.applicationInfo.primaryCpuAbi = pkgSetting.primaryCpuAbiString; 8470 pkg.applicationInfo.secondaryCpuAbi = pkgSetting.secondaryCpuAbiString; 8471 } 8472 8473 // Set native library paths again. For moves, the path will be updated based on the 8474 // ABIs we've determined above. For non-moves, the path will be updated based on the 8475 // ABIs we determined during compilation, but the path will depend on the final 8476 // package path (after the rename away from the stage path). 8477 setNativeLibraryPaths(pkg); 8478 } 8479 8480 // This is a special case for the "system" package, where the ABI is 8481 // dictated by the zygote configuration (and init.rc). We should keep track 8482 // of this ABI so that we can deal with "normal" applications that run under 8483 // the same UID correctly. 8484 if (mPlatformPackage == pkg) { 8485 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 8486 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 8487 } 8488 8489 // If there's a mismatch between the abi-override in the package setting 8490 // and the abiOverride specified for the install. Warn about this because we 8491 // would've already compiled the app without taking the package setting into 8492 // account. 8493 if ((scanFlags & SCAN_NO_DEX) == 0 && (scanFlags & SCAN_NEW_INSTALL) != 0) { 8494 if (cpuAbiOverride == null && pkgSetting.cpuAbiOverrideString != null) { 8495 Slog.w(TAG, "Ignoring persisted ABI override " + cpuAbiOverride + 8496 " for package " + pkg.packageName); 8497 } 8498 } 8499 8500 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 8501 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 8502 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 8503 8504 // Copy the derived override back to the parsed package, so that we can 8505 // update the package settings accordingly. 8506 pkg.cpuAbiOverride = cpuAbiOverride; 8507 8508 if (DEBUG_ABI_SELECTION) { 8509 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 8510 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 8511 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 8512 } 8513 8514 // Push the derived path down into PackageSettings so we know what to 8515 // clean up at uninstall time. 8516 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 8517 8518 if (DEBUG_ABI_SELECTION) { 8519 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 8520 " primary=" + pkg.applicationInfo.primaryCpuAbi + 8521 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 8522 } 8523 8524 if ((scanFlags & SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 8525 // We don't do this here during boot because we can do it all 8526 // at once after scanning all existing packages. 8527 // 8528 // We also do this *before* we perform dexopt on this package, so that 8529 // we can avoid redundant dexopts, and also to make sure we've got the 8530 // code and package path correct. 8531 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 8532 pkg, true /* boot complete */); 8533 } 8534 8535 if (mFactoryTest && pkg.requestedPermissions.contains( 8536 android.Manifest.permission.FACTORY_TEST)) { 8537 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 8538 } 8539 8540 if (isSystemApp(pkg)) { 8541 pkgSetting.isOrphaned = true; 8542 } 8543 8544 ArrayList<PackageParser.Package> clientLibPkgs = null; 8545 8546 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 8547 if (nonMutatedPs != null) { 8548 synchronized (mPackages) { 8549 mSettings.mPackages.put(nonMutatedPs.name, nonMutatedPs); 8550 } 8551 } 8552 return pkg; 8553 } 8554 8555 // Only privileged apps and updated privileged apps can add child packages. 8556 if (pkg.childPackages != null && !pkg.childPackages.isEmpty()) { 8557 if ((policyFlags & PARSE_IS_PRIVILEGED) == 0) { 8558 throw new PackageManagerException("Only privileged apps and updated " 8559 + "privileged apps can add child packages. Ignoring package " 8560 + pkg.packageName); 8561 } 8562 final int childCount = pkg.childPackages.size(); 8563 for (int i = 0; i < childCount; i++) { 8564 PackageParser.Package childPkg = pkg.childPackages.get(i); 8565 if (mSettings.hasOtherDisabledSystemPkgWithChildLPr(pkg.packageName, 8566 childPkg.packageName)) { 8567 throw new PackageManagerException("Cannot override a child package of " 8568 + "another disabled system app. Ignoring package " + pkg.packageName); 8569 } 8570 } 8571 } 8572 8573 // writer 8574 synchronized (mPackages) { 8575 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 8576 // Only system apps can add new shared libraries. 8577 if (pkg.libraryNames != null) { 8578 for (int i=0; i<pkg.libraryNames.size(); i++) { 8579 String name = pkg.libraryNames.get(i); 8580 boolean allowed = false; 8581 if (pkg.isUpdatedSystemApp()) { 8582 // New library entries can only be added through the 8583 // system image. This is important to get rid of a lot 8584 // of nasty edge cases: for example if we allowed a non- 8585 // system update of the app to add a library, then uninstalling 8586 // the update would make the library go away, and assumptions 8587 // we made such as through app install filtering would now 8588 // have allowed apps on the device which aren't compatible 8589 // with it. Better to just have the restriction here, be 8590 // conservative, and create many fewer cases that can negatively 8591 // impact the user experience. 8592 final PackageSetting sysPs = mSettings 8593 .getDisabledSystemPkgLPr(pkg.packageName); 8594 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 8595 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 8596 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 8597 allowed = true; 8598 break; 8599 } 8600 } 8601 } 8602 } else { 8603 allowed = true; 8604 } 8605 if (allowed) { 8606 if (!mSharedLibraries.containsKey(name)) { 8607 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 8608 } else if (!name.equals(pkg.packageName)) { 8609 Slog.w(TAG, "Package " + pkg.packageName + " library " 8610 + name + " already exists; skipping"); 8611 } 8612 } else { 8613 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 8614 + name + " that is not declared on system image; skipping"); 8615 } 8616 } 8617 if ((scanFlags & SCAN_BOOTING) == 0) { 8618 // If we are not booting, we need to update any applications 8619 // that are clients of our shared library. If we are booting, 8620 // this will all be done once the scan is complete. 8621 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 8622 } 8623 } 8624 } 8625 } 8626 8627 if ((scanFlags & SCAN_BOOTING) != 0) { 8628 // No apps can run during boot scan, so they don't need to be frozen 8629 } else if ((scanFlags & SCAN_DONT_KILL_APP) != 0) { 8630 // Caller asked to not kill app, so it's probably not frozen 8631 } else if ((scanFlags & SCAN_IGNORE_FROZEN) != 0) { 8632 // Caller asked us to ignore frozen check for some reason; they 8633 // probably didn't know the package name 8634 } else { 8635 // We're doing major surgery on this package, so it better be frozen 8636 // right now to keep it from launching 8637 checkPackageFrozen(pkgName); 8638 } 8639 8640 // Also need to kill any apps that are dependent on the library. 8641 if (clientLibPkgs != null) { 8642 for (int i=0; i<clientLibPkgs.size(); i++) { 8643 PackageParser.Package clientPkg = clientLibPkgs.get(i); 8644 killApplication(clientPkg.applicationInfo.packageName, 8645 clientPkg.applicationInfo.uid, "update lib"); 8646 } 8647 } 8648 8649 // Make sure we're not adding any bogus keyset info 8650 KeySetManagerService ksms = mSettings.mKeySetManagerService; 8651 ksms.assertScannedPackageValid(pkg); 8652 8653 // writer 8654 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 8655 8656 boolean createIdmapFailed = false; 8657 synchronized (mPackages) { 8658 // We don't expect installation to fail beyond this point 8659 8660 if (pkgSetting.pkg != null) { 8661 // Note that |user| might be null during the initial boot scan. If a codePath 8662 // for an app has changed during a boot scan, it's due to an app update that's 8663 // part of the system partition and marker changes must be applied to all users. 8664 maybeRenameForeignDexMarkers(pkgSetting.pkg, pkg, 8665 (user != null) ? user : UserHandle.ALL); 8666 } 8667 8668 // Add the new setting to mSettings 8669 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 8670 // Add the new setting to mPackages 8671 mPackages.put(pkg.applicationInfo.packageName, pkg); 8672 // Make sure we don't accidentally delete its data. 8673 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 8674 while (iter.hasNext()) { 8675 PackageCleanItem item = iter.next(); 8676 if (pkgName.equals(item.packageName)) { 8677 iter.remove(); 8678 } 8679 } 8680 8681 // Take care of first install / last update times. 8682 if (currentTime != 0) { 8683 if (pkgSetting.firstInstallTime == 0) { 8684 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 8685 } else if ((scanFlags&SCAN_UPDATE_TIME) != 0) { 8686 pkgSetting.lastUpdateTime = currentTime; 8687 } 8688 } else if (pkgSetting.firstInstallTime == 0) { 8689 // We need *something*. Take time time stamp of the file. 8690 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 8691 } else if ((policyFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 8692 if (scanFileTime != pkgSetting.timeStamp) { 8693 // A package on the system image has changed; consider this 8694 // to be an update. 8695 pkgSetting.lastUpdateTime = scanFileTime; 8696 } 8697 } 8698 8699 // Add the package's KeySets to the global KeySetManagerService 8700 ksms.addScannedPackageLPw(pkg); 8701 8702 int N = pkg.providers.size(); 8703 StringBuilder r = null; 8704 int i; 8705 for (i=0; i<N; i++) { 8706 PackageParser.Provider p = pkg.providers.get(i); 8707 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 8708 p.info.processName, pkg.applicationInfo.uid); 8709 mProviders.addProvider(p); 8710 p.syncable = p.info.isSyncable; 8711 if (p.info.authority != null) { 8712 String names[] = p.info.authority.split(";"); 8713 p.info.authority = null; 8714 for (int j = 0; j < names.length; j++) { 8715 if (j == 1 && p.syncable) { 8716 // We only want the first authority for a provider to possibly be 8717 // syncable, so if we already added this provider using a different 8718 // authority clear the syncable flag. We copy the provider before 8719 // changing it because the mProviders object contains a reference 8720 // to a provider that we don't want to change. 8721 // Only do this for the second authority since the resulting provider 8722 // object can be the same for all future authorities for this provider. 8723 p = new PackageParser.Provider(p); 8724 p.syncable = false; 8725 } 8726 if (!mProvidersByAuthority.containsKey(names[j])) { 8727 mProvidersByAuthority.put(names[j], p); 8728 if (p.info.authority == null) { 8729 p.info.authority = names[j]; 8730 } else { 8731 p.info.authority = p.info.authority + ";" + names[j]; 8732 } 8733 if (DEBUG_PACKAGE_SCANNING) { 8734 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 8735 Log.d(TAG, "Registered content provider: " + names[j] 8736 + ", className = " + p.info.name + ", isSyncable = " 8737 + p.info.isSyncable); 8738 } 8739 } else { 8740 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 8741 Slog.w(TAG, "Skipping provider name " + names[j] + 8742 " (in package " + pkg.applicationInfo.packageName + 8743 "): name already used by " 8744 + ((other != null && other.getComponentName() != null) 8745 ? other.getComponentName().getPackageName() : "?")); 8746 } 8747 } 8748 } 8749 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8750 if (r == null) { 8751 r = new StringBuilder(256); 8752 } else { 8753 r.append(' '); 8754 } 8755 r.append(p.info.name); 8756 } 8757 } 8758 if (r != null) { 8759 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 8760 } 8761 8762 N = pkg.services.size(); 8763 r = null; 8764 for (i=0; i<N; i++) { 8765 PackageParser.Service s = pkg.services.get(i); 8766 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 8767 s.info.processName, pkg.applicationInfo.uid); 8768 mServices.addService(s); 8769 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8770 if (r == null) { 8771 r = new StringBuilder(256); 8772 } else { 8773 r.append(' '); 8774 } 8775 r.append(s.info.name); 8776 } 8777 } 8778 if (r != null) { 8779 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 8780 } 8781 8782 N = pkg.receivers.size(); 8783 r = null; 8784 for (i=0; i<N; i++) { 8785 PackageParser.Activity a = pkg.receivers.get(i); 8786 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 8787 a.info.processName, pkg.applicationInfo.uid); 8788 mReceivers.addActivity(a, "receiver"); 8789 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8790 if (r == null) { 8791 r = new StringBuilder(256); 8792 } else { 8793 r.append(' '); 8794 } 8795 r.append(a.info.name); 8796 } 8797 } 8798 if (r != null) { 8799 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 8800 } 8801 8802 N = pkg.activities.size(); 8803 r = null; 8804 for (i=0; i<N; i++) { 8805 PackageParser.Activity a = pkg.activities.get(i); 8806 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 8807 a.info.processName, pkg.applicationInfo.uid); 8808 mActivities.addActivity(a, "activity"); 8809 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8810 if (r == null) { 8811 r = new StringBuilder(256); 8812 } else { 8813 r.append(' '); 8814 } 8815 r.append(a.info.name); 8816 } 8817 } 8818 if (r != null) { 8819 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 8820 } 8821 8822 N = pkg.permissionGroups.size(); 8823 r = null; 8824 for (i=0; i<N; i++) { 8825 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 8826 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 8827 final String curPackageName = cur == null ? null : cur.info.packageName; 8828 final boolean isPackageUpdate = pg.info.packageName.equals(curPackageName); 8829 if (cur == null || isPackageUpdate) { 8830 mPermissionGroups.put(pg.info.name, pg); 8831 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8832 if (r == null) { 8833 r = new StringBuilder(256); 8834 } else { 8835 r.append(' '); 8836 } 8837 if (isPackageUpdate) { 8838 r.append("UPD:"); 8839 } 8840 r.append(pg.info.name); 8841 } 8842 } else { 8843 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 8844 + pg.info.packageName + " ignored: original from " 8845 + cur.info.packageName); 8846 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8847 if (r == null) { 8848 r = new StringBuilder(256); 8849 } else { 8850 r.append(' '); 8851 } 8852 r.append("DUP:"); 8853 r.append(pg.info.name); 8854 } 8855 } 8856 } 8857 if (r != null) { 8858 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 8859 } 8860 8861 N = pkg.permissions.size(); 8862 r = null; 8863 for (i=0; i<N; i++) { 8864 PackageParser.Permission p = pkg.permissions.get(i); 8865 8866 // Assume by default that we did not install this permission into the system. 8867 p.info.flags &= ~PermissionInfo.FLAG_INSTALLED; 8868 8869 // Now that permission groups have a special meaning, we ignore permission 8870 // groups for legacy apps to prevent unexpected behavior. In particular, 8871 // permissions for one app being granted to someone just becase they happen 8872 // to be in a group defined by another app (before this had no implications). 8873 if (pkg.applicationInfo.targetSdkVersion > Build.VERSION_CODES.LOLLIPOP_MR1) { 8874 p.group = mPermissionGroups.get(p.info.group); 8875 // Warn for a permission in an unknown group. 8876 if (p.info.group != null && p.group == null) { 8877 Slog.w(TAG, "Permission " + p.info.name + " from package " 8878 + p.info.packageName + " in an unknown group " + p.info.group); 8879 } 8880 } 8881 8882 ArrayMap<String, BasePermission> permissionMap = 8883 p.tree ? mSettings.mPermissionTrees 8884 : mSettings.mPermissions; 8885 BasePermission bp = permissionMap.get(p.info.name); 8886 8887 // Allow system apps to redefine non-system permissions 8888 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 8889 final boolean currentOwnerIsSystem = (bp.perm != null 8890 && isSystemApp(bp.perm.owner)); 8891 if (isSystemApp(p.owner)) { 8892 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 8893 // It's a built-in permission and no owner, take ownership now 8894 bp.packageSetting = pkgSetting; 8895 bp.perm = p; 8896 bp.uid = pkg.applicationInfo.uid; 8897 bp.sourcePackage = p.info.packageName; 8898 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 8899 } else if (!currentOwnerIsSystem) { 8900 String msg = "New decl " + p.owner + " of permission " 8901 + p.info.name + " is system; overriding " + bp.sourcePackage; 8902 reportSettingsProblem(Log.WARN, msg); 8903 bp = null; 8904 } 8905 } 8906 } 8907 8908 if (bp == null) { 8909 bp = new BasePermission(p.info.name, p.info.packageName, 8910 BasePermission.TYPE_NORMAL); 8911 permissionMap.put(p.info.name, bp); 8912 } 8913 8914 if (bp.perm == null) { 8915 if (bp.sourcePackage == null 8916 || bp.sourcePackage.equals(p.info.packageName)) { 8917 BasePermission tree = findPermissionTreeLP(p.info.name); 8918 if (tree == null 8919 || tree.sourcePackage.equals(p.info.packageName)) { 8920 bp.packageSetting = pkgSetting; 8921 bp.perm = p; 8922 bp.uid = pkg.applicationInfo.uid; 8923 bp.sourcePackage = p.info.packageName; 8924 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 8925 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8926 if (r == null) { 8927 r = new StringBuilder(256); 8928 } else { 8929 r.append(' '); 8930 } 8931 r.append(p.info.name); 8932 } 8933 } else { 8934 Slog.w(TAG, "Permission " + p.info.name + " from package " 8935 + p.info.packageName + " ignored: base tree " 8936 + tree.name + " is from package " 8937 + tree.sourcePackage); 8938 } 8939 } else { 8940 Slog.w(TAG, "Permission " + p.info.name + " from package " 8941 + p.info.packageName + " ignored: original from " 8942 + bp.sourcePackage); 8943 } 8944 } else if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8945 if (r == null) { 8946 r = new StringBuilder(256); 8947 } else { 8948 r.append(' '); 8949 } 8950 r.append("DUP:"); 8951 r.append(p.info.name); 8952 } 8953 if (bp.perm == p) { 8954 bp.protectionLevel = p.info.protectionLevel; 8955 } 8956 } 8957 8958 if (r != null) { 8959 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 8960 } 8961 8962 N = pkg.instrumentation.size(); 8963 r = null; 8964 for (i=0; i<N; i++) { 8965 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 8966 a.info.packageName = pkg.applicationInfo.packageName; 8967 a.info.sourceDir = pkg.applicationInfo.sourceDir; 8968 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 8969 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 8970 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 8971 a.info.dataDir = pkg.applicationInfo.dataDir; 8972 a.info.deviceProtectedDataDir = pkg.applicationInfo.deviceProtectedDataDir; 8973 a.info.credentialProtectedDataDir = pkg.applicationInfo.credentialProtectedDataDir; 8974 8975 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 8976 a.info.secondaryNativeLibraryDir = pkg.applicationInfo.secondaryNativeLibraryDir; 8977 mInstrumentation.put(a.getComponentName(), a); 8978 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8979 if (r == null) { 8980 r = new StringBuilder(256); 8981 } else { 8982 r.append(' '); 8983 } 8984 r.append(a.info.name); 8985 } 8986 } 8987 if (r != null) { 8988 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 8989 } 8990 8991 if (pkg.protectedBroadcasts != null) { 8992 N = pkg.protectedBroadcasts.size(); 8993 for (i=0; i<N; i++) { 8994 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 8995 } 8996 } 8997 8998 pkgSetting.setTimeStamp(scanFileTime); 8999 9000 // Create idmap files for pairs of (packages, overlay packages). 9001 // Note: "android", ie framework-res.apk, is handled by native layers. 9002 if (pkg.mOverlayTarget != null) { 9003 // This is an overlay package. 9004 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 9005 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 9006 mOverlays.put(pkg.mOverlayTarget, 9007 new ArrayMap<String, PackageParser.Package>()); 9008 } 9009 ArrayMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 9010 map.put(pkg.packageName, pkg); 9011 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 9012 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 9013 createIdmapFailed = true; 9014 } 9015 } 9016 } else if (mOverlays.containsKey(pkg.packageName) && 9017 !pkg.packageName.equals("android")) { 9018 // This is a regular package, with one or more known overlay packages. 9019 createIdmapsForPackageLI(pkg); 9020 } 9021 } 9022 9023 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9024 9025 if (createIdmapFailed) { 9026 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 9027 "scanPackageLI failed to createIdmap"); 9028 } 9029 return pkg; 9030 } 9031 9032 private void maybeRenameForeignDexMarkers(PackageParser.Package existing, 9033 PackageParser.Package update, UserHandle user) { 9034 if (existing.applicationInfo == null || update.applicationInfo == null) { 9035 // This isn't due to an app installation. 9036 return; 9037 } 9038 9039 final File oldCodePath = new File(existing.applicationInfo.getCodePath()); 9040 final File newCodePath = new File(update.applicationInfo.getCodePath()); 9041 9042 // The codePath hasn't changed, so there's nothing for us to do. 9043 if (Objects.equals(oldCodePath, newCodePath)) { 9044 return; 9045 } 9046 9047 File canonicalNewCodePath; 9048 try { 9049 canonicalNewCodePath = new File(PackageManagerServiceUtils.realpath(newCodePath)); 9050 } catch (IOException e) { 9051 Slog.w(TAG, "Failed to get canonical path.", e); 9052 return; 9053 } 9054 9055 // This is a bit of a hack. The oldCodePath doesn't exist at this point (because 9056 // we've already renamed / deleted it) so we cannot call realpath on it. Here we assume 9057 // that the last component of the path (i.e, the name) doesn't need canonicalization 9058 // (i.e, that it isn't ".", ".." or a symbolic link). This is a valid assumption for now 9059 // but may change in the future. Hopefully this function won't exist at that point. 9060 final File canonicalOldCodePath = new File(canonicalNewCodePath.getParentFile(), 9061 oldCodePath.getName()); 9062 9063 // Calculate the prefixes of the markers. These are just the paths with "/" replaced 9064 // with "@". 9065 String oldMarkerPrefix = canonicalOldCodePath.getAbsolutePath().replace('/', '@'); 9066 if (!oldMarkerPrefix.endsWith("@")) { 9067 oldMarkerPrefix += "@"; 9068 } 9069 String newMarkerPrefix = canonicalNewCodePath.getAbsolutePath().replace('/', '@'); 9070 if (!newMarkerPrefix.endsWith("@")) { 9071 newMarkerPrefix += "@"; 9072 } 9073 9074 List<String> updatedPaths = update.getAllCodePathsExcludingResourceOnly(); 9075 List<String> markerSuffixes = new ArrayList<String>(updatedPaths.size()); 9076 for (String updatedPath : updatedPaths) { 9077 String updatedPathName = new File(updatedPath).getName(); 9078 markerSuffixes.add(updatedPathName.replace('/', '@')); 9079 } 9080 9081 for (int userId : resolveUserIds(user.getIdentifier())) { 9082 File profileDir = Environment.getDataProfilesDeForeignDexDirectory(userId); 9083 9084 for (String markerSuffix : markerSuffixes) { 9085 File oldForeignUseMark = new File(profileDir, oldMarkerPrefix + markerSuffix); 9086 File newForeignUseMark = new File(profileDir, newMarkerPrefix + markerSuffix); 9087 if (oldForeignUseMark.exists()) { 9088 try { 9089 Os.rename(oldForeignUseMark.getAbsolutePath(), 9090 newForeignUseMark.getAbsolutePath()); 9091 } catch (ErrnoException e) { 9092 Slog.w(TAG, "Failed to rename foreign use marker", e); 9093 oldForeignUseMark.delete(); 9094 } 9095 } 9096 } 9097 } 9098 } 9099 9100 /** 9101 * Derive the ABI of a non-system package located at {@code scanFile}. This information 9102 * is derived purely on the basis of the contents of {@code scanFile} and 9103 * {@code cpuAbiOverride}. 9104 * 9105 * If {@code extractLibs} is true, native libraries are extracted from the app if required. 9106 */ 9107 private void derivePackageAbi(PackageParser.Package pkg, File scanFile, 9108 String cpuAbiOverride, boolean extractLibs) 9109 throws PackageManagerException { 9110 // TODO: We can probably be smarter about this stuff. For installed apps, 9111 // we can calculate this information at install time once and for all. For 9112 // system apps, we can probably assume that this information doesn't change 9113 // after the first boot scan. As things stand, we do lots of unnecessary work. 9114 9115 // Give ourselves some initial paths; we'll come back for another 9116 // pass once we've determined ABI below. 9117 setNativeLibraryPaths(pkg); 9118 9119 // We would never need to extract libs for forward-locked and external packages, 9120 // since the container service will do it for us. We shouldn't attempt to 9121 // extract libs from system app when it was not updated. 9122 if (pkg.isForwardLocked() || pkg.applicationInfo.isExternalAsec() || 9123 (isSystemApp(pkg) && !pkg.isUpdatedSystemApp())) { 9124 extractLibs = false; 9125 } 9126 9127 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 9128 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 9129 9130 NativeLibraryHelper.Handle handle = null; 9131 try { 9132 handle = NativeLibraryHelper.Handle.create(pkg); 9133 // TODO(multiArch): This can be null for apps that didn't go through the 9134 // usual installation process. We can calculate it again, like we 9135 // do during install time. 9136 // 9137 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 9138 // unnecessary. 9139 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 9140 9141 // Null out the abis so that they can be recalculated. 9142 pkg.applicationInfo.primaryCpuAbi = null; 9143 pkg.applicationInfo.secondaryCpuAbi = null; 9144 if (isMultiArch(pkg.applicationInfo)) { 9145 // Warn if we've set an abiOverride for multi-lib packages.. 9146 // By definition, we need to copy both 32 and 64 bit libraries for 9147 // such packages. 9148 if (pkg.cpuAbiOverride != null 9149 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 9150 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 9151 } 9152 9153 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 9154 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 9155 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 9156 if (extractLibs) { 9157 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 9158 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 9159 useIsaSpecificSubdirs); 9160 } else { 9161 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 9162 } 9163 } 9164 9165 maybeThrowExceptionForMultiArchCopy( 9166 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 9167 9168 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 9169 if (extractLibs) { 9170 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 9171 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 9172 useIsaSpecificSubdirs); 9173 } else { 9174 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 9175 } 9176 } 9177 9178 maybeThrowExceptionForMultiArchCopy( 9179 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 9180 9181 if (abi64 >= 0) { 9182 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 9183 } 9184 9185 if (abi32 >= 0) { 9186 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 9187 if (abi64 >= 0) { 9188 if (pkg.use32bitAbi) { 9189 pkg.applicationInfo.secondaryCpuAbi = pkg.applicationInfo.primaryCpuAbi; 9190 pkg.applicationInfo.primaryCpuAbi = abi; 9191 } else { 9192 pkg.applicationInfo.secondaryCpuAbi = abi; 9193 } 9194 } else { 9195 pkg.applicationInfo.primaryCpuAbi = abi; 9196 } 9197 } 9198 9199 } else { 9200 String[] abiList = (cpuAbiOverride != null) ? 9201 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 9202 9203 // Enable gross and lame hacks for apps that are built with old 9204 // SDK tools. We must scan their APKs for renderscript bitcode and 9205 // not launch them if it's present. Don't bother checking on devices 9206 // that don't have 64 bit support. 9207 boolean needsRenderScriptOverride = false; 9208 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 9209 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 9210 abiList = Build.SUPPORTED_32_BIT_ABIS; 9211 needsRenderScriptOverride = true; 9212 } 9213 9214 final int copyRet; 9215 if (extractLibs) { 9216 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 9217 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 9218 } else { 9219 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 9220 } 9221 9222 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 9223 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 9224 "Error unpackaging native libs for app, errorCode=" + copyRet); 9225 } 9226 9227 if (copyRet >= 0) { 9228 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 9229 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 9230 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 9231 } else if (needsRenderScriptOverride) { 9232 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 9233 } 9234 } 9235 } catch (IOException ioe) { 9236 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 9237 } finally { 9238 IoUtils.closeQuietly(handle); 9239 } 9240 9241 // Now that we've calculated the ABIs and determined if it's an internal app, 9242 // we will go ahead and populate the nativeLibraryPath. 9243 setNativeLibraryPaths(pkg); 9244 } 9245 9246 /** 9247 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 9248 * i.e, so that all packages can be run inside a single process if required. 9249 * 9250 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 9251 * this function will either try and make the ABI for all packages in {@code packagesForUser} 9252 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 9253 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 9254 * updating a package that belongs to a shared user. 9255 * 9256 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 9257 * adds unnecessary complexity. 9258 */ 9259 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 9260 PackageParser.Package scannedPackage, boolean bootComplete) { 9261 String requiredInstructionSet = null; 9262 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 9263 requiredInstructionSet = VMRuntime.getInstructionSet( 9264 scannedPackage.applicationInfo.primaryCpuAbi); 9265 } 9266 9267 PackageSetting requirer = null; 9268 for (PackageSetting ps : packagesForUser) { 9269 // If packagesForUser contains scannedPackage, we skip it. This will happen 9270 // when scannedPackage is an update of an existing package. Without this check, 9271 // we will never be able to change the ABI of any package belonging to a shared 9272 // user, even if it's compatible with other packages. 9273 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 9274 if (ps.primaryCpuAbiString == null) { 9275 continue; 9276 } 9277 9278 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 9279 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 9280 // We have a mismatch between instruction sets (say arm vs arm64) warn about 9281 // this but there's not much we can do. 9282 String errorMessage = "Instruction set mismatch, " 9283 + ((requirer == null) ? "[caller]" : requirer) 9284 + " requires " + requiredInstructionSet + " whereas " + ps 9285 + " requires " + instructionSet; 9286 Slog.w(TAG, errorMessage); 9287 } 9288 9289 if (requiredInstructionSet == null) { 9290 requiredInstructionSet = instructionSet; 9291 requirer = ps; 9292 } 9293 } 9294 } 9295 9296 if (requiredInstructionSet != null) { 9297 String adjustedAbi; 9298 if (requirer != null) { 9299 // requirer != null implies that either scannedPackage was null or that scannedPackage 9300 // did not require an ABI, in which case we have to adjust scannedPackage to match 9301 // the ABI of the set (which is the same as requirer's ABI) 9302 adjustedAbi = requirer.primaryCpuAbiString; 9303 if (scannedPackage != null) { 9304 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 9305 } 9306 } else { 9307 // requirer == null implies that we're updating all ABIs in the set to 9308 // match scannedPackage. 9309 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 9310 } 9311 9312 for (PackageSetting ps : packagesForUser) { 9313 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 9314 if (ps.primaryCpuAbiString != null) { 9315 continue; 9316 } 9317 9318 ps.primaryCpuAbiString = adjustedAbi; 9319 if (ps.pkg != null && ps.pkg.applicationInfo != null && 9320 !TextUtils.equals(adjustedAbi, ps.pkg.applicationInfo.primaryCpuAbi)) { 9321 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 9322 Slog.i(TAG, "Adjusting ABI for " + ps.name + " to " + adjustedAbi 9323 + " (requirer=" 9324 + (requirer == null ? "null" : requirer.pkg.packageName) 9325 + ", scannedPackage=" 9326 + (scannedPackage != null ? scannedPackage.packageName : "null") 9327 + ")"); 9328 try { 9329 mInstaller.rmdex(ps.codePathString, 9330 getDexCodeInstructionSet(getPreferredInstructionSet())); 9331 } catch (InstallerException ignored) { 9332 } 9333 } 9334 } 9335 } 9336 } 9337 } 9338 9339 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 9340 synchronized (mPackages) { 9341 mResolverReplaced = true; 9342 // Set up information for custom user intent resolution activity. 9343 mResolveActivity.applicationInfo = pkg.applicationInfo; 9344 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 9345 mResolveActivity.packageName = pkg.applicationInfo.packageName; 9346 mResolveActivity.processName = pkg.applicationInfo.packageName; 9347 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 9348 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 9349 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 9350 mResolveActivity.theme = 0; 9351 mResolveActivity.exported = true; 9352 mResolveActivity.enabled = true; 9353 mResolveInfo.activityInfo = mResolveActivity; 9354 mResolveInfo.priority = 0; 9355 mResolveInfo.preferredOrder = 0; 9356 mResolveInfo.match = 0; 9357 mResolveComponentName = mCustomResolverComponentName; 9358 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 9359 mResolveComponentName); 9360 } 9361 } 9362 9363 private void setUpEphemeralInstallerActivityLP(ComponentName installerComponent) { 9364 final PackageParser.Package pkg = mPackages.get(installerComponent.getPackageName()); 9365 9366 // Set up information for ephemeral installer activity 9367 mEphemeralInstallerActivity.applicationInfo = pkg.applicationInfo; 9368 mEphemeralInstallerActivity.name = mEphemeralInstallerComponent.getClassName(); 9369 mEphemeralInstallerActivity.packageName = pkg.applicationInfo.packageName; 9370 mEphemeralInstallerActivity.processName = pkg.applicationInfo.packageName; 9371 mEphemeralInstallerActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 9372 mEphemeralInstallerActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS 9373 | ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 9374 mEphemeralInstallerActivity.theme = 0; 9375 mEphemeralInstallerActivity.exported = true; 9376 mEphemeralInstallerActivity.enabled = true; 9377 mEphemeralInstallerInfo.activityInfo = mEphemeralInstallerActivity; 9378 mEphemeralInstallerInfo.priority = 0; 9379 mEphemeralInstallerInfo.preferredOrder = 1; 9380 mEphemeralInstallerInfo.isDefault = true; 9381 mEphemeralInstallerInfo.match = IntentFilter.MATCH_CATEGORY_SCHEME_SPECIFIC_PART 9382 | IntentFilter.MATCH_ADJUSTMENT_NORMAL; 9383 9384 if (DEBUG_EPHEMERAL) { 9385 Slog.d(TAG, "Set ephemeral installer activity: " + mEphemeralInstallerComponent); 9386 } 9387 } 9388 9389 private static String calculateBundledApkRoot(final String codePathString) { 9390 final File codePath = new File(codePathString); 9391 final File codeRoot; 9392 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 9393 codeRoot = Environment.getRootDirectory(); 9394 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 9395 codeRoot = Environment.getOemDirectory(); 9396 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 9397 codeRoot = Environment.getVendorDirectory(); 9398 } else { 9399 // Unrecognized code path; take its top real segment as the apk root: 9400 // e.g. /something/app/blah.apk => /something 9401 try { 9402 File f = codePath.getCanonicalFile(); 9403 File parent = f.getParentFile(); // non-null because codePath is a file 9404 File tmp; 9405 while ((tmp = parent.getParentFile()) != null) { 9406 f = parent; 9407 parent = tmp; 9408 } 9409 codeRoot = f; 9410 Slog.w(TAG, "Unrecognized code path " 9411 + codePath + " - using " + codeRoot); 9412 } catch (IOException e) { 9413 // Can't canonicalize the code path -- shenanigans? 9414 Slog.w(TAG, "Can't canonicalize code path " + codePath); 9415 return Environment.getRootDirectory().getPath(); 9416 } 9417 } 9418 return codeRoot.getPath(); 9419 } 9420 9421 /** 9422 * Derive and set the location of native libraries for the given package, 9423 * which varies depending on where and how the package was installed. 9424 */ 9425 private void setNativeLibraryPaths(PackageParser.Package pkg) { 9426 final ApplicationInfo info = pkg.applicationInfo; 9427 final String codePath = pkg.codePath; 9428 final File codeFile = new File(codePath); 9429 final boolean bundledApp = info.isSystemApp() && !info.isUpdatedSystemApp(); 9430 final boolean asecApp = info.isForwardLocked() || info.isExternalAsec(); 9431 9432 info.nativeLibraryRootDir = null; 9433 info.nativeLibraryRootRequiresIsa = false; 9434 info.nativeLibraryDir = null; 9435 info.secondaryNativeLibraryDir = null; 9436 9437 if (isApkFile(codeFile)) { 9438 // Monolithic install 9439 if (bundledApp) { 9440 // If "/system/lib64/apkname" exists, assume that is the per-package 9441 // native library directory to use; otherwise use "/system/lib/apkname". 9442 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 9443 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 9444 getPrimaryInstructionSet(info)); 9445 9446 // This is a bundled system app so choose the path based on the ABI. 9447 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 9448 // is just the default path. 9449 final String apkName = deriveCodePathName(codePath); 9450 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 9451 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 9452 apkName).getAbsolutePath(); 9453 9454 if (info.secondaryCpuAbi != null) { 9455 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 9456 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 9457 secondaryLibDir, apkName).getAbsolutePath(); 9458 } 9459 } else if (asecApp) { 9460 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 9461 .getAbsolutePath(); 9462 } else { 9463 final String apkName = deriveCodePathName(codePath); 9464 info.nativeLibraryRootDir = new File(mAppLib32InstallDir, apkName) 9465 .getAbsolutePath(); 9466 } 9467 9468 info.nativeLibraryRootRequiresIsa = false; 9469 info.nativeLibraryDir = info.nativeLibraryRootDir; 9470 } else { 9471 // Cluster install 9472 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 9473 info.nativeLibraryRootRequiresIsa = true; 9474 9475 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 9476 getPrimaryInstructionSet(info)).getAbsolutePath(); 9477 9478 if (info.secondaryCpuAbi != null) { 9479 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 9480 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 9481 } 9482 } 9483 } 9484 9485 /** 9486 * Calculate the abis and roots for a bundled app. These can uniquely 9487 * be determined from the contents of the system partition, i.e whether 9488 * it contains 64 or 32 bit shared libraries etc. We do not validate any 9489 * of this information, and instead assume that the system was built 9490 * sensibly. 9491 */ 9492 private void setBundledAppAbisAndRoots(PackageParser.Package pkg, 9493 PackageSetting pkgSetting) { 9494 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 9495 9496 // If "/system/lib64/apkname" exists, assume that is the per-package 9497 // native library directory to use; otherwise use "/system/lib/apkname". 9498 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 9499 setBundledAppAbi(pkg, apkRoot, apkName); 9500 // pkgSetting might be null during rescan following uninstall of updates 9501 // to a bundled app, so accommodate that possibility. The settings in 9502 // that case will be established later from the parsed package. 9503 // 9504 // If the settings aren't null, sync them up with what we've just derived. 9505 // note that apkRoot isn't stored in the package settings. 9506 if (pkgSetting != null) { 9507 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 9508 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 9509 } 9510 } 9511 9512 /** 9513 * Deduces the ABI of a bundled app and sets the relevant fields on the 9514 * parsed pkg object. 9515 * 9516 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 9517 * under which system libraries are installed. 9518 * @param apkName the name of the installed package. 9519 */ 9520 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 9521 final File codeFile = new File(pkg.codePath); 9522 9523 final boolean has64BitLibs; 9524 final boolean has32BitLibs; 9525 if (isApkFile(codeFile)) { 9526 // Monolithic install 9527 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 9528 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 9529 } else { 9530 // Cluster install 9531 final File rootDir = new File(codeFile, LIB_DIR_NAME); 9532 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 9533 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 9534 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 9535 has64BitLibs = (new File(rootDir, isa)).exists(); 9536 } else { 9537 has64BitLibs = false; 9538 } 9539 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 9540 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 9541 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 9542 has32BitLibs = (new File(rootDir, isa)).exists(); 9543 } else { 9544 has32BitLibs = false; 9545 } 9546 } 9547 9548 if (has64BitLibs && !has32BitLibs) { 9549 // The package has 64 bit libs, but not 32 bit libs. Its primary 9550 // ABI should be 64 bit. We can safely assume here that the bundled 9551 // native libraries correspond to the most preferred ABI in the list. 9552 9553 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9554 pkg.applicationInfo.secondaryCpuAbi = null; 9555 } else if (has32BitLibs && !has64BitLibs) { 9556 // The package has 32 bit libs but not 64 bit libs. Its primary 9557 // ABI should be 32 bit. 9558 9559 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9560 pkg.applicationInfo.secondaryCpuAbi = null; 9561 } else if (has32BitLibs && has64BitLibs) { 9562 // The application has both 64 and 32 bit bundled libraries. We check 9563 // here that the app declares multiArch support, and warn if it doesn't. 9564 // 9565 // We will be lenient here and record both ABIs. The primary will be the 9566 // ABI that's higher on the list, i.e, a device that's configured to prefer 9567 // 64 bit apps will see a 64 bit primary ABI, 9568 9569 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 9570 Slog.e(TAG, "Package " + pkg + " has multiple bundled libs, but is not multiarch."); 9571 } 9572 9573 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 9574 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9575 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9576 } else { 9577 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9578 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9579 } 9580 } else { 9581 pkg.applicationInfo.primaryCpuAbi = null; 9582 pkg.applicationInfo.secondaryCpuAbi = null; 9583 } 9584 } 9585 9586 private void killApplication(String pkgName, int appId, String reason) { 9587 killApplication(pkgName, appId, UserHandle.USER_ALL, reason); 9588 } 9589 9590 private void killApplication(String pkgName, int appId, int userId, String reason) { 9591 // Request the ActivityManager to kill the process(only for existing packages) 9592 // so that we do not end up in a confused state while the user is still using the older 9593 // version of the application while the new one gets installed. 9594 final long token = Binder.clearCallingIdentity(); 9595 try { 9596 IActivityManager am = ActivityManagerNative.getDefault(); 9597 if (am != null) { 9598 try { 9599 am.killApplication(pkgName, appId, userId, reason); 9600 } catch (RemoteException e) { 9601 } 9602 } 9603 } finally { 9604 Binder.restoreCallingIdentity(token); 9605 } 9606 } 9607 9608 private void removePackageLI(PackageParser.Package pkg, boolean chatty) { 9609 // Remove the parent package setting 9610 PackageSetting ps = (PackageSetting) pkg.mExtras; 9611 if (ps != null) { 9612 removePackageLI(ps, chatty); 9613 } 9614 // Remove the child package setting 9615 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9616 for (int i = 0; i < childCount; i++) { 9617 PackageParser.Package childPkg = pkg.childPackages.get(i); 9618 ps = (PackageSetting) childPkg.mExtras; 9619 if (ps != null) { 9620 removePackageLI(ps, chatty); 9621 } 9622 } 9623 } 9624 9625 void removePackageLI(PackageSetting ps, boolean chatty) { 9626 if (DEBUG_INSTALL) { 9627 if (chatty) 9628 Log.d(TAG, "Removing package " + ps.name); 9629 } 9630 9631 // writer 9632 synchronized (mPackages) { 9633 mPackages.remove(ps.name); 9634 final PackageParser.Package pkg = ps.pkg; 9635 if (pkg != null) { 9636 cleanPackageDataStructuresLILPw(pkg, chatty); 9637 } 9638 } 9639 } 9640 9641 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 9642 if (DEBUG_INSTALL) { 9643 if (chatty) 9644 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 9645 } 9646 9647 // writer 9648 synchronized (mPackages) { 9649 // Remove the parent package 9650 mPackages.remove(pkg.applicationInfo.packageName); 9651 cleanPackageDataStructuresLILPw(pkg, chatty); 9652 9653 // Remove the child packages 9654 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9655 for (int i = 0; i < childCount; i++) { 9656 PackageParser.Package childPkg = pkg.childPackages.get(i); 9657 mPackages.remove(childPkg.applicationInfo.packageName); 9658 cleanPackageDataStructuresLILPw(childPkg, chatty); 9659 } 9660 } 9661 } 9662 9663 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 9664 int N = pkg.providers.size(); 9665 StringBuilder r = null; 9666 int i; 9667 for (i=0; i<N; i++) { 9668 PackageParser.Provider p = pkg.providers.get(i); 9669 mProviders.removeProvider(p); 9670 if (p.info.authority == null) { 9671 9672 /* There was another ContentProvider with this authority when 9673 * this app was installed so this authority is null, 9674 * Ignore it as we don't have to unregister the provider. 9675 */ 9676 continue; 9677 } 9678 String names[] = p.info.authority.split(";"); 9679 for (int j = 0; j < names.length; j++) { 9680 if (mProvidersByAuthority.get(names[j]) == p) { 9681 mProvidersByAuthority.remove(names[j]); 9682 if (DEBUG_REMOVE) { 9683 if (chatty) 9684 Log.d(TAG, "Unregistered content provider: " + names[j] 9685 + ", className = " + p.info.name + ", isSyncable = " 9686 + p.info.isSyncable); 9687 } 9688 } 9689 } 9690 if (DEBUG_REMOVE && chatty) { 9691 if (r == null) { 9692 r = new StringBuilder(256); 9693 } else { 9694 r.append(' '); 9695 } 9696 r.append(p.info.name); 9697 } 9698 } 9699 if (r != null) { 9700 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 9701 } 9702 9703 N = pkg.services.size(); 9704 r = null; 9705 for (i=0; i<N; i++) { 9706 PackageParser.Service s = pkg.services.get(i); 9707 mServices.removeService(s); 9708 if (chatty) { 9709 if (r == null) { 9710 r = new StringBuilder(256); 9711 } else { 9712 r.append(' '); 9713 } 9714 r.append(s.info.name); 9715 } 9716 } 9717 if (r != null) { 9718 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 9719 } 9720 9721 N = pkg.receivers.size(); 9722 r = null; 9723 for (i=0; i<N; i++) { 9724 PackageParser.Activity a = pkg.receivers.get(i); 9725 mReceivers.removeActivity(a, "receiver"); 9726 if (DEBUG_REMOVE && chatty) { 9727 if (r == null) { 9728 r = new StringBuilder(256); 9729 } else { 9730 r.append(' '); 9731 } 9732 r.append(a.info.name); 9733 } 9734 } 9735 if (r != null) { 9736 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 9737 } 9738 9739 N = pkg.activities.size(); 9740 r = null; 9741 for (i=0; i<N; i++) { 9742 PackageParser.Activity a = pkg.activities.get(i); 9743 mActivities.removeActivity(a, "activity"); 9744 if (DEBUG_REMOVE && chatty) { 9745 if (r == null) { 9746 r = new StringBuilder(256); 9747 } else { 9748 r.append(' '); 9749 } 9750 r.append(a.info.name); 9751 } 9752 } 9753 if (r != null) { 9754 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 9755 } 9756 9757 N = pkg.permissions.size(); 9758 r = null; 9759 for (i=0; i<N; i++) { 9760 PackageParser.Permission p = pkg.permissions.get(i); 9761 BasePermission bp = mSettings.mPermissions.get(p.info.name); 9762 if (bp == null) { 9763 bp = mSettings.mPermissionTrees.get(p.info.name); 9764 } 9765 if (bp != null && bp.perm == p) { 9766 bp.perm = null; 9767 if (DEBUG_REMOVE && chatty) { 9768 if (r == null) { 9769 r = new StringBuilder(256); 9770 } else { 9771 r.append(' '); 9772 } 9773 r.append(p.info.name); 9774 } 9775 } 9776 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9777 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(p.info.name); 9778 if (appOpPkgs != null) { 9779 appOpPkgs.remove(pkg.packageName); 9780 } 9781 } 9782 } 9783 if (r != null) { 9784 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 9785 } 9786 9787 N = pkg.requestedPermissions.size(); 9788 r = null; 9789 for (i=0; i<N; i++) { 9790 String perm = pkg.requestedPermissions.get(i); 9791 BasePermission bp = mSettings.mPermissions.get(perm); 9792 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9793 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(perm); 9794 if (appOpPkgs != null) { 9795 appOpPkgs.remove(pkg.packageName); 9796 if (appOpPkgs.isEmpty()) { 9797 mAppOpPermissionPackages.remove(perm); 9798 } 9799 } 9800 } 9801 } 9802 if (r != null) { 9803 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 9804 } 9805 9806 N = pkg.instrumentation.size(); 9807 r = null; 9808 for (i=0; i<N; i++) { 9809 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 9810 mInstrumentation.remove(a.getComponentName()); 9811 if (DEBUG_REMOVE && chatty) { 9812 if (r == null) { 9813 r = new StringBuilder(256); 9814 } else { 9815 r.append(' '); 9816 } 9817 r.append(a.info.name); 9818 } 9819 } 9820 if (r != null) { 9821 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 9822 } 9823 9824 r = null; 9825 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 9826 // Only system apps can hold shared libraries. 9827 if (pkg.libraryNames != null) { 9828 for (i=0; i<pkg.libraryNames.size(); i++) { 9829 String name = pkg.libraryNames.get(i); 9830 SharedLibraryEntry cur = mSharedLibraries.get(name); 9831 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 9832 mSharedLibraries.remove(name); 9833 if (DEBUG_REMOVE && chatty) { 9834 if (r == null) { 9835 r = new StringBuilder(256); 9836 } else { 9837 r.append(' '); 9838 } 9839 r.append(name); 9840 } 9841 } 9842 } 9843 } 9844 } 9845 if (r != null) { 9846 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 9847 } 9848 } 9849 9850 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 9851 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 9852 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 9853 return true; 9854 } 9855 } 9856 return false; 9857 } 9858 9859 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 9860 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 9861 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 9862 9863 private void updatePermissionsLPw(PackageParser.Package pkg, int flags) { 9864 // Update the parent permissions 9865 updatePermissionsLPw(pkg.packageName, pkg, flags); 9866 // Update the child permissions 9867 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9868 for (int i = 0; i < childCount; i++) { 9869 PackageParser.Package childPkg = pkg.childPackages.get(i); 9870 updatePermissionsLPw(childPkg.packageName, childPkg, flags); 9871 } 9872 } 9873 9874 private void updatePermissionsLPw(String changingPkg, PackageParser.Package pkgInfo, 9875 int flags) { 9876 final String volumeUuid = (pkgInfo != null) ? getVolumeUuidForPackage(pkgInfo) : null; 9877 updatePermissionsLPw(changingPkg, pkgInfo, volumeUuid, flags); 9878 } 9879 9880 private void updatePermissionsLPw(String changingPkg, 9881 PackageParser.Package pkgInfo, String replaceVolumeUuid, int flags) { 9882 // Make sure there are no dangling permission trees. 9883 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 9884 while (it.hasNext()) { 9885 final BasePermission bp = it.next(); 9886 if (bp.packageSetting == null) { 9887 // We may not yet have parsed the package, so just see if 9888 // we still know about its settings. 9889 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 9890 } 9891 if (bp.packageSetting == null) { 9892 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 9893 + " from package " + bp.sourcePackage); 9894 it.remove(); 9895 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 9896 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 9897 Slog.i(TAG, "Removing old permission tree: " + bp.name 9898 + " from package " + bp.sourcePackage); 9899 flags |= UPDATE_PERMISSIONS_ALL; 9900 it.remove(); 9901 } 9902 } 9903 } 9904 9905 // Make sure all dynamic permissions have been assigned to a package, 9906 // and make sure there are no dangling permissions. 9907 it = mSettings.mPermissions.values().iterator(); 9908 while (it.hasNext()) { 9909 final BasePermission bp = it.next(); 9910 if (bp.type == BasePermission.TYPE_DYNAMIC) { 9911 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 9912 + bp.name + " pkg=" + bp.sourcePackage 9913 + " info=" + bp.pendingInfo); 9914 if (bp.packageSetting == null && bp.pendingInfo != null) { 9915 final BasePermission tree = findPermissionTreeLP(bp.name); 9916 if (tree != null && tree.perm != null) { 9917 bp.packageSetting = tree.packageSetting; 9918 bp.perm = new PackageParser.Permission(tree.perm.owner, 9919 new PermissionInfo(bp.pendingInfo)); 9920 bp.perm.info.packageName = tree.perm.info.packageName; 9921 bp.perm.info.name = bp.name; 9922 bp.uid = tree.uid; 9923 } 9924 } 9925 } 9926 if (bp.packageSetting == null) { 9927 // We may not yet have parsed the package, so just see if 9928 // we still know about its settings. 9929 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 9930 } 9931 if (bp.packageSetting == null) { 9932 Slog.w(TAG, "Removing dangling permission: " + bp.name 9933 + " from package " + bp.sourcePackage); 9934 it.remove(); 9935 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 9936 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 9937 Slog.i(TAG, "Removing old permission: " + bp.name 9938 + " from package " + bp.sourcePackage); 9939 flags |= UPDATE_PERMISSIONS_ALL; 9940 it.remove(); 9941 } 9942 } 9943 } 9944 9945 // Now update the permissions for all packages, in particular 9946 // replace the granted permissions of the system packages. 9947 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 9948 for (PackageParser.Package pkg : mPackages.values()) { 9949 if (pkg != pkgInfo) { 9950 // Only replace for packages on requested volume 9951 final String volumeUuid = getVolumeUuidForPackage(pkg); 9952 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_ALL) != 0) 9953 && Objects.equals(replaceVolumeUuid, volumeUuid); 9954 grantPermissionsLPw(pkg, replace, changingPkg); 9955 } 9956 } 9957 } 9958 9959 if (pkgInfo != null) { 9960 // Only replace for packages on requested volume 9961 final String volumeUuid = getVolumeUuidForPackage(pkgInfo); 9962 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_PKG) != 0) 9963 && Objects.equals(replaceVolumeUuid, volumeUuid); 9964 grantPermissionsLPw(pkgInfo, replace, changingPkg); 9965 } 9966 } 9967 9968 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 9969 String packageOfInterest) { 9970 // IMPORTANT: There are two types of permissions: install and runtime. 9971 // Install time permissions are granted when the app is installed to 9972 // all device users and users added in the future. Runtime permissions 9973 // are granted at runtime explicitly to specific users. Normal and signature 9974 // protected permissions are install time permissions. Dangerous permissions 9975 // are install permissions if the app's target SDK is Lollipop MR1 or older, 9976 // otherwise they are runtime permissions. This function does not manage 9977 // runtime permissions except for the case an app targeting Lollipop MR1 9978 // being upgraded to target a newer SDK, in which case dangerous permissions 9979 // are transformed from install time to runtime ones. 9980 9981 final PackageSetting ps = (PackageSetting) pkg.mExtras; 9982 if (ps == null) { 9983 return; 9984 } 9985 9986 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "grantPermissions"); 9987 9988 PermissionsState permissionsState = ps.getPermissionsState(); 9989 PermissionsState origPermissions = permissionsState; 9990 9991 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 9992 9993 boolean runtimePermissionsRevoked = false; 9994 int[] changedRuntimePermissionUserIds = EMPTY_INT_ARRAY; 9995 9996 boolean changedInstallPermission = false; 9997 9998 if (replace) { 9999 ps.installPermissionsFixed = false; 10000 if (!ps.isSharedUser()) { 10001 origPermissions = new PermissionsState(permissionsState); 10002 permissionsState.reset(); 10003 } else { 10004 // We need to know only about runtime permission changes since the 10005 // calling code always writes the install permissions state but 10006 // the runtime ones are written only if changed. The only cases of 10007 // changed runtime permissions here are promotion of an install to 10008 // runtime and revocation of a runtime from a shared user. 10009 changedRuntimePermissionUserIds = revokeUnusedSharedUserPermissionsLPw( 10010 ps.sharedUser, UserManagerService.getInstance().getUserIds()); 10011 if (!ArrayUtils.isEmpty(changedRuntimePermissionUserIds)) { 10012 runtimePermissionsRevoked = true; 10013 } 10014 } 10015 } 10016 10017 permissionsState.setGlobalGids(mGlobalGids); 10018 10019 final int N = pkg.requestedPermissions.size(); 10020 for (int i=0; i<N; i++) { 10021 final String name = pkg.requestedPermissions.get(i); 10022 final BasePermission bp = mSettings.mPermissions.get(name); 10023 10024 if (DEBUG_INSTALL) { 10025 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 10026 } 10027 10028 if (bp == null || bp.packageSetting == null) { 10029 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 10030 Slog.w(TAG, "Unknown permission " + name 10031 + " in package " + pkg.packageName); 10032 } 10033 continue; 10034 } 10035 10036 final String perm = bp.name; 10037 boolean allowedSig = false; 10038 int grant = GRANT_DENIED; 10039 10040 // Keep track of app op permissions. 10041 if ((bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 10042 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 10043 if (pkgs == null) { 10044 pkgs = new ArraySet<>(); 10045 mAppOpPermissionPackages.put(bp.name, pkgs); 10046 } 10047 pkgs.add(pkg.packageName); 10048 } 10049 10050 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 10051 final boolean appSupportsRuntimePermissions = pkg.applicationInfo.targetSdkVersion 10052 >= Build.VERSION_CODES.M; 10053 switch (level) { 10054 case PermissionInfo.PROTECTION_NORMAL: { 10055 // For all apps normal permissions are install time ones. 10056 grant = GRANT_INSTALL; 10057 } break; 10058 10059 case PermissionInfo.PROTECTION_DANGEROUS: { 10060 // If a permission review is required for legacy apps we represent 10061 // their permissions as always granted runtime ones since we need 10062 // to keep the review required permission flag per user while an 10063 // install permission's state is shared across all users. 10064 if (!appSupportsRuntimePermissions && !mPermissionReviewRequired 10065 && !Build.PERMISSIONS_REVIEW_REQUIRED) { 10066 // For legacy apps dangerous permissions are install time ones. 10067 grant = GRANT_INSTALL; 10068 } else if (origPermissions.hasInstallPermission(bp.name)) { 10069 // For legacy apps that became modern, install becomes runtime. 10070 grant = GRANT_UPGRADE; 10071 } else if (mPromoteSystemApps 10072 && isSystemApp(ps) 10073 && mExistingSystemPackages.contains(ps.name)) { 10074 // For legacy system apps, install becomes runtime. 10075 // We cannot check hasInstallPermission() for system apps since those 10076 // permissions were granted implicitly and not persisted pre-M. 10077 grant = GRANT_UPGRADE; 10078 } else { 10079 // For modern apps keep runtime permissions unchanged. 10080 grant = GRANT_RUNTIME; 10081 } 10082 } break; 10083 10084 case PermissionInfo.PROTECTION_SIGNATURE: { 10085 // For all apps signature permissions are install time ones. 10086 allowedSig = grantSignaturePermission(perm, pkg, bp, origPermissions); 10087 if (allowedSig) { 10088 grant = GRANT_INSTALL; 10089 } 10090 } break; 10091 } 10092 10093 if (DEBUG_INSTALL) { 10094 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 10095 } 10096 10097 if (grant != GRANT_DENIED) { 10098 if (!isSystemApp(ps) && ps.installPermissionsFixed) { 10099 // If this is an existing, non-system package, then 10100 // we can't add any new permissions to it. 10101 if (!allowedSig && !origPermissions.hasInstallPermission(perm)) { 10102 // Except... if this is a permission that was added 10103 // to the platform (note: need to only do this when 10104 // updating the platform). 10105 if (!isNewPlatformPermissionForPackage(perm, pkg)) { 10106 grant = GRANT_DENIED; 10107 } 10108 } 10109 } 10110 10111 switch (grant) { 10112 case GRANT_INSTALL: { 10113 // Revoke this as runtime permission to handle the case of 10114 // a runtime permission being downgraded to an install one. 10115 // Also in permission review mode we keep dangerous permissions 10116 // for legacy apps 10117 for (int userId : UserManagerService.getInstance().getUserIds()) { 10118 if (origPermissions.getRuntimePermissionState( 10119 bp.name, userId) != null) { 10120 // Revoke the runtime permission and clear the flags. 10121 origPermissions.revokeRuntimePermission(bp, userId); 10122 origPermissions.updatePermissionFlags(bp, userId, 10123 PackageManager.MASK_PERMISSION_FLAGS, 0); 10124 // If we revoked a permission permission, we have to write. 10125 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10126 changedRuntimePermissionUserIds, userId); 10127 } 10128 } 10129 // Grant an install permission. 10130 if (permissionsState.grantInstallPermission(bp) != 10131 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10132 changedInstallPermission = true; 10133 } 10134 } break; 10135 10136 case GRANT_RUNTIME: { 10137 // Grant previously granted runtime permissions. 10138 for (int userId : UserManagerService.getInstance().getUserIds()) { 10139 PermissionState permissionState = origPermissions 10140 .getRuntimePermissionState(bp.name, userId); 10141 int flags = permissionState != null 10142 ? permissionState.getFlags() : 0; 10143 if (origPermissions.hasRuntimePermission(bp.name, userId)) { 10144 if (permissionsState.grantRuntimePermission(bp, userId) == 10145 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10146 // If we cannot put the permission as it was, we have to write. 10147 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10148 changedRuntimePermissionUserIds, userId); 10149 } 10150 // If the app supports runtime permissions no need for a review. 10151 if ((mPermissionReviewRequired || Build.PERMISSIONS_REVIEW_REQUIRED) 10152 && appSupportsRuntimePermissions 10153 && (flags & PackageManager 10154 .FLAG_PERMISSION_REVIEW_REQUIRED) != 0) { 10155 flags &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 10156 // Since we changed the flags, we have to write. 10157 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10158 changedRuntimePermissionUserIds, userId); 10159 } 10160 } else if ((mPermissionReviewRequired 10161 || Build.PERMISSIONS_REVIEW_REQUIRED) 10162 && !appSupportsRuntimePermissions) { 10163 // For legacy apps that need a permission review, every new 10164 // runtime permission is granted but it is pending a review. 10165 // We also need to review only platform defined runtime 10166 // permissions as these are the only ones the platform knows 10167 // how to disable the API to simulate revocation as legacy 10168 // apps don't expect to run with revoked permissions. 10169 if (PLATFORM_PACKAGE_NAME.equals(bp.sourcePackage)) { 10170 if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 10171 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 10172 // We changed the flags, hence have to write. 10173 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10174 changedRuntimePermissionUserIds, userId); 10175 } 10176 } 10177 if (permissionsState.grantRuntimePermission(bp, userId) 10178 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 10179 // We changed the permission, hence have to write. 10180 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10181 changedRuntimePermissionUserIds, userId); 10182 } 10183 } 10184 // Propagate the permission flags. 10185 permissionsState.updatePermissionFlags(bp, userId, flags, flags); 10186 } 10187 } break; 10188 10189 case GRANT_UPGRADE: { 10190 // Grant runtime permissions for a previously held install permission. 10191 PermissionState permissionState = origPermissions 10192 .getInstallPermissionState(bp.name); 10193 final int flags = permissionState != null ? permissionState.getFlags() : 0; 10194 10195 if (origPermissions.revokeInstallPermission(bp) 10196 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 10197 // We will be transferring the permission flags, so clear them. 10198 origPermissions.updatePermissionFlags(bp, UserHandle.USER_ALL, 10199 PackageManager.MASK_PERMISSION_FLAGS, 0); 10200 changedInstallPermission = true; 10201 } 10202 10203 // If the permission is not to be promoted to runtime we ignore it and 10204 // also its other flags as they are not applicable to install permissions. 10205 if ((flags & PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE) == 0) { 10206 for (int userId : currentUserIds) { 10207 if (permissionsState.grantRuntimePermission(bp, userId) != 10208 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10209 // Transfer the permission flags. 10210 permissionsState.updatePermissionFlags(bp, userId, 10211 flags, flags); 10212 // If we granted the permission, we have to write. 10213 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10214 changedRuntimePermissionUserIds, userId); 10215 } 10216 } 10217 } 10218 } break; 10219 10220 default: { 10221 if (packageOfInterest == null 10222 || packageOfInterest.equals(pkg.packageName)) { 10223 Slog.w(TAG, "Not granting permission " + perm 10224 + " to package " + pkg.packageName 10225 + " because it was previously installed without"); 10226 } 10227 } break; 10228 } 10229 } else { 10230 if (permissionsState.revokeInstallPermission(bp) != 10231 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10232 // Also drop the permission flags. 10233 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 10234 PackageManager.MASK_PERMISSION_FLAGS, 0); 10235 changedInstallPermission = true; 10236 Slog.i(TAG, "Un-granting permission " + perm 10237 + " from package " + pkg.packageName 10238 + " (protectionLevel=" + bp.protectionLevel 10239 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 10240 + ")"); 10241 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 10242 // Don't print warning for app op permissions, since it is fine for them 10243 // not to be granted, there is a UI for the user to decide. 10244 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 10245 Slog.w(TAG, "Not granting permission " + perm 10246 + " to package " + pkg.packageName 10247 + " (protectionLevel=" + bp.protectionLevel 10248 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 10249 + ")"); 10250 } 10251 } 10252 } 10253 } 10254 10255 if ((changedInstallPermission || replace) && !ps.installPermissionsFixed && 10256 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 10257 // This is the first that we have heard about this package, so the 10258 // permissions we have now selected are fixed until explicitly 10259 // changed. 10260 ps.installPermissionsFixed = true; 10261 } 10262 10263 // Persist the runtime permissions state for users with changes. If permissions 10264 // were revoked because no app in the shared user declares them we have to 10265 // write synchronously to avoid losing runtime permissions state. 10266 for (int userId : changedRuntimePermissionUserIds) { 10267 mSettings.writeRuntimePermissionsForUserLPr(userId, runtimePermissionsRevoked); 10268 } 10269 10270 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 10271 } 10272 10273 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 10274 boolean allowed = false; 10275 final int NP = PackageParser.NEW_PERMISSIONS.length; 10276 for (int ip=0; ip<NP; ip++) { 10277 final PackageParser.NewPermissionInfo npi 10278 = PackageParser.NEW_PERMISSIONS[ip]; 10279 if (npi.name.equals(perm) 10280 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 10281 allowed = true; 10282 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 10283 + pkg.packageName); 10284 break; 10285 } 10286 } 10287 return allowed; 10288 } 10289 10290 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 10291 BasePermission bp, PermissionsState origPermissions) { 10292 boolean allowed; 10293 allowed = (compareSignatures( 10294 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 10295 == PackageManager.SIGNATURE_MATCH) 10296 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 10297 == PackageManager.SIGNATURE_MATCH); 10298 if (!allowed && (bp.protectionLevel 10299 & PermissionInfo.PROTECTION_FLAG_PRIVILEGED) != 0) { 10300 if (isSystemApp(pkg)) { 10301 // For updated system applications, a system permission 10302 // is granted only if it had been defined by the original application. 10303 if (pkg.isUpdatedSystemApp()) { 10304 final PackageSetting sysPs = mSettings 10305 .getDisabledSystemPkgLPr(pkg.packageName); 10306 if (sysPs != null && sysPs.getPermissionsState().hasInstallPermission(perm)) { 10307 // If the original was granted this permission, we take 10308 // that grant decision as read and propagate it to the 10309 // update. 10310 if (sysPs.isPrivileged()) { 10311 allowed = true; 10312 } 10313 } else { 10314 // The system apk may have been updated with an older 10315 // version of the one on the data partition, but which 10316 // granted a new system permission that it didn't have 10317 // before. In this case we do want to allow the app to 10318 // now get the new permission if the ancestral apk is 10319 // privileged to get it. 10320 if (sysPs != null && sysPs.pkg != null && sysPs.isPrivileged()) { 10321 for (int j = 0; j < sysPs.pkg.requestedPermissions.size(); j++) { 10322 if (perm.equals(sysPs.pkg.requestedPermissions.get(j))) { 10323 allowed = true; 10324 break; 10325 } 10326 } 10327 } 10328 // Also if a privileged parent package on the system image or any of 10329 // its children requested a privileged permission, the updated child 10330 // packages can also get the permission. 10331 if (pkg.parentPackage != null) { 10332 final PackageSetting disabledSysParentPs = mSettings 10333 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 10334 if (disabledSysParentPs != null && disabledSysParentPs.pkg != null 10335 && disabledSysParentPs.isPrivileged()) { 10336 if (isPackageRequestingPermission(disabledSysParentPs.pkg, perm)) { 10337 allowed = true; 10338 } else if (disabledSysParentPs.pkg.childPackages != null) { 10339 final int count = disabledSysParentPs.pkg.childPackages.size(); 10340 for (int i = 0; i < count; i++) { 10341 PackageParser.Package disabledSysChildPkg = 10342 disabledSysParentPs.pkg.childPackages.get(i); 10343 if (isPackageRequestingPermission(disabledSysChildPkg, 10344 perm)) { 10345 allowed = true; 10346 break; 10347 } 10348 } 10349 } 10350 } 10351 } 10352 } 10353 } else { 10354 allowed = isPrivilegedApp(pkg); 10355 } 10356 } 10357 } 10358 if (!allowed) { 10359 if (!allowed && (bp.protectionLevel 10360 & PermissionInfo.PROTECTION_FLAG_PRE23) != 0 10361 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 10362 // If this was a previously normal/dangerous permission that got moved 10363 // to a system permission as part of the runtime permission redesign, then 10364 // we still want to blindly grant it to old apps. 10365 allowed = true; 10366 } 10367 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_INSTALLER) != 0 10368 && pkg.packageName.equals(mRequiredInstallerPackage)) { 10369 // If this permission is to be granted to the system installer and 10370 // this app is an installer, then it gets the permission. 10371 allowed = true; 10372 } 10373 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_VERIFIER) != 0 10374 && pkg.packageName.equals(mRequiredVerifierPackage)) { 10375 // If this permission is to be granted to the system verifier and 10376 // this app is a verifier, then it gets the permission. 10377 allowed = true; 10378 } 10379 if (!allowed && (bp.protectionLevel 10380 & PermissionInfo.PROTECTION_FLAG_PREINSTALLED) != 0 10381 && isSystemApp(pkg)) { 10382 // Any pre-installed system app is allowed to get this permission. 10383 allowed = true; 10384 } 10385 if (!allowed && (bp.protectionLevel 10386 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 10387 // For development permissions, a development permission 10388 // is granted only if it was already granted. 10389 allowed = origPermissions.hasInstallPermission(perm); 10390 } 10391 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_SETUP) != 0 10392 && pkg.packageName.equals(mSetupWizardPackage)) { 10393 // If this permission is to be granted to the system setup wizard and 10394 // this app is a setup wizard, then it gets the permission. 10395 allowed = true; 10396 } 10397 } 10398 return allowed; 10399 } 10400 10401 private boolean isPackageRequestingPermission(PackageParser.Package pkg, String permission) { 10402 final int permCount = pkg.requestedPermissions.size(); 10403 for (int j = 0; j < permCount; j++) { 10404 String requestedPermission = pkg.requestedPermissions.get(j); 10405 if (permission.equals(requestedPermission)) { 10406 return true; 10407 } 10408 } 10409 return false; 10410 } 10411 10412 final class ActivityIntentResolver 10413 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 10414 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10415 boolean defaultOnly, int userId) { 10416 if (!sUserManager.exists(userId)) return null; 10417 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 10418 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 10419 } 10420 10421 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10422 int userId) { 10423 if (!sUserManager.exists(userId)) return null; 10424 mFlags = flags; 10425 return super.queryIntent(intent, resolvedType, 10426 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 10427 } 10428 10429 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10430 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 10431 if (!sUserManager.exists(userId)) return null; 10432 if (packageActivities == null) { 10433 return null; 10434 } 10435 mFlags = flags; 10436 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 10437 final int N = packageActivities.size(); 10438 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 10439 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 10440 10441 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 10442 for (int i = 0; i < N; ++i) { 10443 intentFilters = packageActivities.get(i).intents; 10444 if (intentFilters != null && intentFilters.size() > 0) { 10445 PackageParser.ActivityIntentInfo[] array = 10446 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 10447 intentFilters.toArray(array); 10448 listCut.add(array); 10449 } 10450 } 10451 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 10452 } 10453 10454 /** 10455 * Finds a privileged activity that matches the specified activity names. 10456 */ 10457 private PackageParser.Activity findMatchingActivity( 10458 List<PackageParser.Activity> activityList, ActivityInfo activityInfo) { 10459 for (PackageParser.Activity sysActivity : activityList) { 10460 if (sysActivity.info.name.equals(activityInfo.name)) { 10461 return sysActivity; 10462 } 10463 if (sysActivity.info.name.equals(activityInfo.targetActivity)) { 10464 return sysActivity; 10465 } 10466 if (sysActivity.info.targetActivity != null) { 10467 if (sysActivity.info.targetActivity.equals(activityInfo.name)) { 10468 return sysActivity; 10469 } 10470 if (sysActivity.info.targetActivity.equals(activityInfo.targetActivity)) { 10471 return sysActivity; 10472 } 10473 } 10474 } 10475 return null; 10476 } 10477 10478 public class IterGenerator<E> { 10479 public Iterator<E> generate(ActivityIntentInfo info) { 10480 return null; 10481 } 10482 } 10483 10484 public class ActionIterGenerator extends IterGenerator<String> { 10485 @Override 10486 public Iterator<String> generate(ActivityIntentInfo info) { 10487 return info.actionsIterator(); 10488 } 10489 } 10490 10491 public class CategoriesIterGenerator extends IterGenerator<String> { 10492 @Override 10493 public Iterator<String> generate(ActivityIntentInfo info) { 10494 return info.categoriesIterator(); 10495 } 10496 } 10497 10498 public class SchemesIterGenerator extends IterGenerator<String> { 10499 @Override 10500 public Iterator<String> generate(ActivityIntentInfo info) { 10501 return info.schemesIterator(); 10502 } 10503 } 10504 10505 public class AuthoritiesIterGenerator extends IterGenerator<IntentFilter.AuthorityEntry> { 10506 @Override 10507 public Iterator<IntentFilter.AuthorityEntry> generate(ActivityIntentInfo info) { 10508 return info.authoritiesIterator(); 10509 } 10510 } 10511 10512 /** 10513 * <em>WARNING</em> for performance reasons, the passed in intentList WILL BE 10514 * MODIFIED. Do not pass in a list that should not be changed. 10515 */ 10516 private <T> void getIntentListSubset(List<ActivityIntentInfo> intentList, 10517 IterGenerator<T> generator, Iterator<T> searchIterator) { 10518 // loop through the set of actions; every one must be found in the intent filter 10519 while (searchIterator.hasNext()) { 10520 // we must have at least one filter in the list to consider a match 10521 if (intentList.size() == 0) { 10522 break; 10523 } 10524 10525 final T searchAction = searchIterator.next(); 10526 10527 // loop through the set of intent filters 10528 final Iterator<ActivityIntentInfo> intentIter = intentList.iterator(); 10529 while (intentIter.hasNext()) { 10530 final ActivityIntentInfo intentInfo = intentIter.next(); 10531 boolean selectionFound = false; 10532 10533 // loop through the intent filter's selection criteria; at least one 10534 // of them must match the searched criteria 10535 final Iterator<T> intentSelectionIter = generator.generate(intentInfo); 10536 while (intentSelectionIter != null && intentSelectionIter.hasNext()) { 10537 final T intentSelection = intentSelectionIter.next(); 10538 if (intentSelection != null && intentSelection.equals(searchAction)) { 10539 selectionFound = true; 10540 break; 10541 } 10542 } 10543 10544 // the selection criteria wasn't found in this filter's set; this filter 10545 // is not a potential match 10546 if (!selectionFound) { 10547 intentIter.remove(); 10548 } 10549 } 10550 } 10551 } 10552 10553 private boolean isProtectedAction(ActivityIntentInfo filter) { 10554 final Iterator<String> actionsIter = filter.actionsIterator(); 10555 while (actionsIter != null && actionsIter.hasNext()) { 10556 final String filterAction = actionsIter.next(); 10557 if (PROTECTED_ACTIONS.contains(filterAction)) { 10558 return true; 10559 } 10560 } 10561 return false; 10562 } 10563 10564 /** 10565 * Adjusts the priority of the given intent filter according to policy. 10566 * <p> 10567 * <ul> 10568 * <li>The priority for non privileged applications is capped to '0'</li> 10569 * <li>The priority for protected actions on privileged applications is capped to '0'</li> 10570 * <li>The priority for unbundled updates to privileged applications is capped to the 10571 * priority defined on the system partition</li> 10572 * </ul> 10573 * <p> 10574 * <em>NOTE:</em> There is one exception. For security reasons, the setup wizard is 10575 * allowed to obtain any priority on any action. 10576 */ 10577 private void adjustPriority( 10578 List<PackageParser.Activity> systemActivities, ActivityIntentInfo intent) { 10579 // nothing to do; priority is fine as-is 10580 if (intent.getPriority() <= 0) { 10581 return; 10582 } 10583 10584 final ActivityInfo activityInfo = intent.activity.info; 10585 final ApplicationInfo applicationInfo = activityInfo.applicationInfo; 10586 10587 final boolean privilegedApp = 10588 ((applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0); 10589 if (!privilegedApp) { 10590 // non-privileged applications can never define a priority >0 10591 Slog.w(TAG, "Non-privileged app; cap priority to 0;" 10592 + " package: " + applicationInfo.packageName 10593 + " activity: " + intent.activity.className 10594 + " origPrio: " + intent.getPriority()); 10595 intent.setPriority(0); 10596 return; 10597 } 10598 10599 if (systemActivities == null) { 10600 // the system package is not disabled; we're parsing the system partition 10601 if (isProtectedAction(intent)) { 10602 if (mDeferProtectedFilters) { 10603 // We can't deal with these just yet. No component should ever obtain a 10604 // >0 priority for a protected actions, with ONE exception -- the setup 10605 // wizard. The setup wizard, however, cannot be known until we're able to 10606 // query it for the category CATEGORY_SETUP_WIZARD. Which we can't do 10607 // until all intent filters have been processed. Chicken, meet egg. 10608 // Let the filter temporarily have a high priority and rectify the 10609 // priorities after all system packages have been scanned. 10610 mProtectedFilters.add(intent); 10611 if (DEBUG_FILTERS) { 10612 Slog.i(TAG, "Protected action; save for later;" 10613 + " package: " + applicationInfo.packageName 10614 + " activity: " + intent.activity.className 10615 + " origPrio: " + intent.getPriority()); 10616 } 10617 return; 10618 } else { 10619 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 10620 Slog.i(TAG, "No setup wizard;" 10621 + " All protected intents capped to priority 0"); 10622 } 10623 if (intent.activity.info.packageName.equals(mSetupWizardPackage)) { 10624 if (DEBUG_FILTERS) { 10625 Slog.i(TAG, "Found setup wizard;" 10626 + " allow priority " + intent.getPriority() + ";" 10627 + " package: " + intent.activity.info.packageName 10628 + " activity: " + intent.activity.className 10629 + " priority: " + intent.getPriority()); 10630 } 10631 // setup wizard gets whatever it wants 10632 return; 10633 } 10634 Slog.w(TAG, "Protected action; cap priority to 0;" 10635 + " package: " + intent.activity.info.packageName 10636 + " activity: " + intent.activity.className 10637 + " origPrio: " + intent.getPriority()); 10638 intent.setPriority(0); 10639 return; 10640 } 10641 } 10642 // privileged apps on the system image get whatever priority they request 10643 return; 10644 } 10645 10646 // privileged app unbundled update ... try to find the same activity 10647 final PackageParser.Activity foundActivity = 10648 findMatchingActivity(systemActivities, activityInfo); 10649 if (foundActivity == null) { 10650 // this is a new activity; it cannot obtain >0 priority 10651 if (DEBUG_FILTERS) { 10652 Slog.i(TAG, "New activity; cap priority to 0;" 10653 + " package: " + applicationInfo.packageName 10654 + " activity: " + intent.activity.className 10655 + " origPrio: " + intent.getPriority()); 10656 } 10657 intent.setPriority(0); 10658 return; 10659 } 10660 10661 // found activity, now check for filter equivalence 10662 10663 // a shallow copy is enough; we modify the list, not its contents 10664 final List<ActivityIntentInfo> intentListCopy = 10665 new ArrayList<>(foundActivity.intents); 10666 final List<ActivityIntentInfo> foundFilters = findFilters(intent); 10667 10668 // find matching action subsets 10669 final Iterator<String> actionsIterator = intent.actionsIterator(); 10670 if (actionsIterator != null) { 10671 getIntentListSubset( 10672 intentListCopy, new ActionIterGenerator(), actionsIterator); 10673 if (intentListCopy.size() == 0) { 10674 // no more intents to match; we're not equivalent 10675 if (DEBUG_FILTERS) { 10676 Slog.i(TAG, "Mismatched action; cap priority to 0;" 10677 + " package: " + applicationInfo.packageName 10678 + " activity: " + intent.activity.className 10679 + " origPrio: " + intent.getPriority()); 10680 } 10681 intent.setPriority(0); 10682 return; 10683 } 10684 } 10685 10686 // find matching category subsets 10687 final Iterator<String> categoriesIterator = intent.categoriesIterator(); 10688 if (categoriesIterator != null) { 10689 getIntentListSubset(intentListCopy, new CategoriesIterGenerator(), 10690 categoriesIterator); 10691 if (intentListCopy.size() == 0) { 10692 // no more intents to match; we're not equivalent 10693 if (DEBUG_FILTERS) { 10694 Slog.i(TAG, "Mismatched category; cap priority to 0;" 10695 + " package: " + applicationInfo.packageName 10696 + " activity: " + intent.activity.className 10697 + " origPrio: " + intent.getPriority()); 10698 } 10699 intent.setPriority(0); 10700 return; 10701 } 10702 } 10703 10704 // find matching schemes subsets 10705 final Iterator<String> schemesIterator = intent.schemesIterator(); 10706 if (schemesIterator != null) { 10707 getIntentListSubset(intentListCopy, new SchemesIterGenerator(), 10708 schemesIterator); 10709 if (intentListCopy.size() == 0) { 10710 // no more intents to match; we're not equivalent 10711 if (DEBUG_FILTERS) { 10712 Slog.i(TAG, "Mismatched scheme; cap priority to 0;" 10713 + " package: " + applicationInfo.packageName 10714 + " activity: " + intent.activity.className 10715 + " origPrio: " + intent.getPriority()); 10716 } 10717 intent.setPriority(0); 10718 return; 10719 } 10720 } 10721 10722 // find matching authorities subsets 10723 final Iterator<IntentFilter.AuthorityEntry> 10724 authoritiesIterator = intent.authoritiesIterator(); 10725 if (authoritiesIterator != null) { 10726 getIntentListSubset(intentListCopy, 10727 new AuthoritiesIterGenerator(), 10728 authoritiesIterator); 10729 if (intentListCopy.size() == 0) { 10730 // no more intents to match; we're not equivalent 10731 if (DEBUG_FILTERS) { 10732 Slog.i(TAG, "Mismatched authority; cap priority to 0;" 10733 + " package: " + applicationInfo.packageName 10734 + " activity: " + intent.activity.className 10735 + " origPrio: " + intent.getPriority()); 10736 } 10737 intent.setPriority(0); 10738 return; 10739 } 10740 } 10741 10742 // we found matching filter(s); app gets the max priority of all intents 10743 int cappedPriority = 0; 10744 for (int i = intentListCopy.size() - 1; i >= 0; --i) { 10745 cappedPriority = Math.max(cappedPriority, intentListCopy.get(i).getPriority()); 10746 } 10747 if (intent.getPriority() > cappedPriority) { 10748 if (DEBUG_FILTERS) { 10749 Slog.i(TAG, "Found matching filter(s);" 10750 + " cap priority to " + cappedPriority + ";" 10751 + " package: " + applicationInfo.packageName 10752 + " activity: " + intent.activity.className 10753 + " origPrio: " + intent.getPriority()); 10754 } 10755 intent.setPriority(cappedPriority); 10756 return; 10757 } 10758 // all this for nothing; the requested priority was <= what was on the system 10759 } 10760 10761 public final void addActivity(PackageParser.Activity a, String type) { 10762 mActivities.put(a.getComponentName(), a); 10763 if (DEBUG_SHOW_INFO) 10764 Log.v( 10765 TAG, " " + type + " " + 10766 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 10767 if (DEBUG_SHOW_INFO) 10768 Log.v(TAG, " Class=" + a.info.name); 10769 final int NI = a.intents.size(); 10770 for (int j=0; j<NI; j++) { 10771 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 10772 if ("activity".equals(type)) { 10773 final PackageSetting ps = 10774 mSettings.getDisabledSystemPkgLPr(intent.activity.info.packageName); 10775 final List<PackageParser.Activity> systemActivities = 10776 ps != null && ps.pkg != null ? ps.pkg.activities : null; 10777 adjustPriority(systemActivities, intent); 10778 } 10779 if (DEBUG_SHOW_INFO) { 10780 Log.v(TAG, " IntentFilter:"); 10781 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10782 } 10783 if (!intent.debugCheck()) { 10784 Log.w(TAG, "==> For Activity " + a.info.name); 10785 } 10786 addFilter(intent); 10787 } 10788 } 10789 10790 public final void removeActivity(PackageParser.Activity a, String type) { 10791 mActivities.remove(a.getComponentName()); 10792 if (DEBUG_SHOW_INFO) { 10793 Log.v(TAG, " " + type + " " 10794 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 10795 : a.info.name) + ":"); 10796 Log.v(TAG, " Class=" + a.info.name); 10797 } 10798 final int NI = a.intents.size(); 10799 for (int j=0; j<NI; j++) { 10800 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 10801 if (DEBUG_SHOW_INFO) { 10802 Log.v(TAG, " IntentFilter:"); 10803 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10804 } 10805 removeFilter(intent); 10806 } 10807 } 10808 10809 @Override 10810 protected boolean allowFilterResult( 10811 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 10812 ActivityInfo filterAi = filter.activity.info; 10813 for (int i=dest.size()-1; i>=0; i--) { 10814 ActivityInfo destAi = dest.get(i).activityInfo; 10815 if (destAi.name == filterAi.name 10816 && destAi.packageName == filterAi.packageName) { 10817 return false; 10818 } 10819 } 10820 return true; 10821 } 10822 10823 @Override 10824 protected ActivityIntentInfo[] newArray(int size) { 10825 return new ActivityIntentInfo[size]; 10826 } 10827 10828 @Override 10829 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 10830 if (!sUserManager.exists(userId)) return true; 10831 PackageParser.Package p = filter.activity.owner; 10832 if (p != null) { 10833 PackageSetting ps = (PackageSetting)p.mExtras; 10834 if (ps != null) { 10835 // System apps are never considered stopped for purposes of 10836 // filtering, because there may be no way for the user to 10837 // actually re-launch them. 10838 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 10839 && ps.getStopped(userId); 10840 } 10841 } 10842 return false; 10843 } 10844 10845 @Override 10846 protected boolean isPackageForFilter(String packageName, 10847 PackageParser.ActivityIntentInfo info) { 10848 return packageName.equals(info.activity.owner.packageName); 10849 } 10850 10851 @Override 10852 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 10853 int match, int userId) { 10854 if (!sUserManager.exists(userId)) return null; 10855 if (!mSettings.isEnabledAndMatchLPr(info.activity.info, mFlags, userId)) { 10856 return null; 10857 } 10858 final PackageParser.Activity activity = info.activity; 10859 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 10860 if (ps == null) { 10861 return null; 10862 } 10863 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 10864 ps.readUserState(userId), userId); 10865 if (ai == null) { 10866 return null; 10867 } 10868 final ResolveInfo res = new ResolveInfo(); 10869 res.activityInfo = ai; 10870 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 10871 res.filter = info; 10872 } 10873 if (info != null) { 10874 res.handleAllWebDataURI = info.handleAllWebDataURI(); 10875 } 10876 res.priority = info.getPriority(); 10877 res.preferredOrder = activity.owner.mPreferredOrder; 10878 //System.out.println("Result: " + res.activityInfo.className + 10879 // " = " + res.priority); 10880 res.match = match; 10881 res.isDefault = info.hasDefault; 10882 res.labelRes = info.labelRes; 10883 res.nonLocalizedLabel = info.nonLocalizedLabel; 10884 if (userNeedsBadging(userId)) { 10885 res.noResourceId = true; 10886 } else { 10887 res.icon = info.icon; 10888 } 10889 res.iconResourceId = info.icon; 10890 res.system = res.activityInfo.applicationInfo.isSystemApp(); 10891 return res; 10892 } 10893 10894 @Override 10895 protected void sortResults(List<ResolveInfo> results) { 10896 Collections.sort(results, mResolvePrioritySorter); 10897 } 10898 10899 @Override 10900 protected void dumpFilter(PrintWriter out, String prefix, 10901 PackageParser.ActivityIntentInfo filter) { 10902 out.print(prefix); out.print( 10903 Integer.toHexString(System.identityHashCode(filter.activity))); 10904 out.print(' '); 10905 filter.activity.printComponentShortName(out); 10906 out.print(" filter "); 10907 out.println(Integer.toHexString(System.identityHashCode(filter))); 10908 } 10909 10910 @Override 10911 protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) { 10912 return filter.activity; 10913 } 10914 10915 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 10916 PackageParser.Activity activity = (PackageParser.Activity)label; 10917 out.print(prefix); out.print( 10918 Integer.toHexString(System.identityHashCode(activity))); 10919 out.print(' '); 10920 activity.printComponentShortName(out); 10921 if (count > 1) { 10922 out.print(" ("); out.print(count); out.print(" filters)"); 10923 } 10924 out.println(); 10925 } 10926 10927 // Keys are String (activity class name), values are Activity. 10928 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 10929 = new ArrayMap<ComponentName, PackageParser.Activity>(); 10930 private int mFlags; 10931 } 10932 10933 private final class ServiceIntentResolver 10934 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 10935 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10936 boolean defaultOnly, int userId) { 10937 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 10938 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 10939 } 10940 10941 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10942 int userId) { 10943 if (!sUserManager.exists(userId)) return null; 10944 mFlags = flags; 10945 return super.queryIntent(intent, resolvedType, 10946 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 10947 } 10948 10949 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10950 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 10951 if (!sUserManager.exists(userId)) return null; 10952 if (packageServices == null) { 10953 return null; 10954 } 10955 mFlags = flags; 10956 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 10957 final int N = packageServices.size(); 10958 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 10959 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 10960 10961 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 10962 for (int i = 0; i < N; ++i) { 10963 intentFilters = packageServices.get(i).intents; 10964 if (intentFilters != null && intentFilters.size() > 0) { 10965 PackageParser.ServiceIntentInfo[] array = 10966 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 10967 intentFilters.toArray(array); 10968 listCut.add(array); 10969 } 10970 } 10971 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 10972 } 10973 10974 public final void addService(PackageParser.Service s) { 10975 mServices.put(s.getComponentName(), s); 10976 if (DEBUG_SHOW_INFO) { 10977 Log.v(TAG, " " 10978 + (s.info.nonLocalizedLabel != null 10979 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 10980 Log.v(TAG, " Class=" + s.info.name); 10981 } 10982 final int NI = s.intents.size(); 10983 int j; 10984 for (j=0; j<NI; j++) { 10985 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 10986 if (DEBUG_SHOW_INFO) { 10987 Log.v(TAG, " IntentFilter:"); 10988 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10989 } 10990 if (!intent.debugCheck()) { 10991 Log.w(TAG, "==> For Service " + s.info.name); 10992 } 10993 addFilter(intent); 10994 } 10995 } 10996 10997 public final void removeService(PackageParser.Service s) { 10998 mServices.remove(s.getComponentName()); 10999 if (DEBUG_SHOW_INFO) { 11000 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 11001 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 11002 Log.v(TAG, " Class=" + s.info.name); 11003 } 11004 final int NI = s.intents.size(); 11005 int j; 11006 for (j=0; j<NI; j++) { 11007 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 11008 if (DEBUG_SHOW_INFO) { 11009 Log.v(TAG, " IntentFilter:"); 11010 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 11011 } 11012 removeFilter(intent); 11013 } 11014 } 11015 11016 @Override 11017 protected boolean allowFilterResult( 11018 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 11019 ServiceInfo filterSi = filter.service.info; 11020 for (int i=dest.size()-1; i>=0; i--) { 11021 ServiceInfo destAi = dest.get(i).serviceInfo; 11022 if (destAi.name == filterSi.name 11023 && destAi.packageName == filterSi.packageName) { 11024 return false; 11025 } 11026 } 11027 return true; 11028 } 11029 11030 @Override 11031 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 11032 return new PackageParser.ServiceIntentInfo[size]; 11033 } 11034 11035 @Override 11036 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 11037 if (!sUserManager.exists(userId)) return true; 11038 PackageParser.Package p = filter.service.owner; 11039 if (p != null) { 11040 PackageSetting ps = (PackageSetting)p.mExtras; 11041 if (ps != null) { 11042 // System apps are never considered stopped for purposes of 11043 // filtering, because there may be no way for the user to 11044 // actually re-launch them. 11045 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 11046 && ps.getStopped(userId); 11047 } 11048 } 11049 return false; 11050 } 11051 11052 @Override 11053 protected boolean isPackageForFilter(String packageName, 11054 PackageParser.ServiceIntentInfo info) { 11055 return packageName.equals(info.service.owner.packageName); 11056 } 11057 11058 @Override 11059 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 11060 int match, int userId) { 11061 if (!sUserManager.exists(userId)) return null; 11062 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 11063 if (!mSettings.isEnabledAndMatchLPr(info.service.info, mFlags, userId)) { 11064 return null; 11065 } 11066 final PackageParser.Service service = info.service; 11067 PackageSetting ps = (PackageSetting) service.owner.mExtras; 11068 if (ps == null) { 11069 return null; 11070 } 11071 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 11072 ps.readUserState(userId), userId); 11073 if (si == null) { 11074 return null; 11075 } 11076 final ResolveInfo res = new ResolveInfo(); 11077 res.serviceInfo = si; 11078 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 11079 res.filter = filter; 11080 } 11081 res.priority = info.getPriority(); 11082 res.preferredOrder = service.owner.mPreferredOrder; 11083 res.match = match; 11084 res.isDefault = info.hasDefault; 11085 res.labelRes = info.labelRes; 11086 res.nonLocalizedLabel = info.nonLocalizedLabel; 11087 res.icon = info.icon; 11088 res.system = res.serviceInfo.applicationInfo.isSystemApp(); 11089 return res; 11090 } 11091 11092 @Override 11093 protected void sortResults(List<ResolveInfo> results) { 11094 Collections.sort(results, mResolvePrioritySorter); 11095 } 11096 11097 @Override 11098 protected void dumpFilter(PrintWriter out, String prefix, 11099 PackageParser.ServiceIntentInfo filter) { 11100 out.print(prefix); out.print( 11101 Integer.toHexString(System.identityHashCode(filter.service))); 11102 out.print(' '); 11103 filter.service.printComponentShortName(out); 11104 out.print(" filter "); 11105 out.println(Integer.toHexString(System.identityHashCode(filter))); 11106 } 11107 11108 @Override 11109 protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) { 11110 return filter.service; 11111 } 11112 11113 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 11114 PackageParser.Service service = (PackageParser.Service)label; 11115 out.print(prefix); out.print( 11116 Integer.toHexString(System.identityHashCode(service))); 11117 out.print(' '); 11118 service.printComponentShortName(out); 11119 if (count > 1) { 11120 out.print(" ("); out.print(count); out.print(" filters)"); 11121 } 11122 out.println(); 11123 } 11124 11125// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 11126// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 11127// final List<ResolveInfo> retList = Lists.newArrayList(); 11128// while (i.hasNext()) { 11129// final ResolveInfo resolveInfo = (ResolveInfo) i; 11130// if (isEnabledLP(resolveInfo.serviceInfo)) { 11131// retList.add(resolveInfo); 11132// } 11133// } 11134// return retList; 11135// } 11136 11137 // Keys are String (activity class name), values are Activity. 11138 private final ArrayMap<ComponentName, PackageParser.Service> mServices 11139 = new ArrayMap<ComponentName, PackageParser.Service>(); 11140 private int mFlags; 11141 }; 11142 11143 private final class ProviderIntentResolver 11144 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 11145 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 11146 boolean defaultOnly, int userId) { 11147 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 11148 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 11149 } 11150 11151 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 11152 int userId) { 11153 if (!sUserManager.exists(userId)) 11154 return null; 11155 mFlags = flags; 11156 return super.queryIntent(intent, resolvedType, 11157 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 11158 } 11159 11160 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 11161 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 11162 if (!sUserManager.exists(userId)) 11163 return null; 11164 if (packageProviders == null) { 11165 return null; 11166 } 11167 mFlags = flags; 11168 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 11169 final int N = packageProviders.size(); 11170 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 11171 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 11172 11173 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 11174 for (int i = 0; i < N; ++i) { 11175 intentFilters = packageProviders.get(i).intents; 11176 if (intentFilters != null && intentFilters.size() > 0) { 11177 PackageParser.ProviderIntentInfo[] array = 11178 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 11179 intentFilters.toArray(array); 11180 listCut.add(array); 11181 } 11182 } 11183 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 11184 } 11185 11186 public final void addProvider(PackageParser.Provider p) { 11187 if (mProviders.containsKey(p.getComponentName())) { 11188 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 11189 return; 11190 } 11191 11192 mProviders.put(p.getComponentName(), p); 11193 if (DEBUG_SHOW_INFO) { 11194 Log.v(TAG, " " 11195 + (p.info.nonLocalizedLabel != null 11196 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 11197 Log.v(TAG, " Class=" + p.info.name); 11198 } 11199 final int NI = p.intents.size(); 11200 int j; 11201 for (j = 0; j < NI; j++) { 11202 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 11203 if (DEBUG_SHOW_INFO) { 11204 Log.v(TAG, " IntentFilter:"); 11205 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 11206 } 11207 if (!intent.debugCheck()) { 11208 Log.w(TAG, "==> For Provider " + p.info.name); 11209 } 11210 addFilter(intent); 11211 } 11212 } 11213 11214 public final void removeProvider(PackageParser.Provider p) { 11215 mProviders.remove(p.getComponentName()); 11216 if (DEBUG_SHOW_INFO) { 11217 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 11218 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 11219 Log.v(TAG, " Class=" + p.info.name); 11220 } 11221 final int NI = p.intents.size(); 11222 int j; 11223 for (j = 0; j < NI; j++) { 11224 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 11225 if (DEBUG_SHOW_INFO) { 11226 Log.v(TAG, " IntentFilter:"); 11227 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 11228 } 11229 removeFilter(intent); 11230 } 11231 } 11232 11233 @Override 11234 protected boolean allowFilterResult( 11235 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 11236 ProviderInfo filterPi = filter.provider.info; 11237 for (int i = dest.size() - 1; i >= 0; i--) { 11238 ProviderInfo destPi = dest.get(i).providerInfo; 11239 if (destPi.name == filterPi.name 11240 && destPi.packageName == filterPi.packageName) { 11241 return false; 11242 } 11243 } 11244 return true; 11245 } 11246 11247 @Override 11248 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 11249 return new PackageParser.ProviderIntentInfo[size]; 11250 } 11251 11252 @Override 11253 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 11254 if (!sUserManager.exists(userId)) 11255 return true; 11256 PackageParser.Package p = filter.provider.owner; 11257 if (p != null) { 11258 PackageSetting ps = (PackageSetting) p.mExtras; 11259 if (ps != null) { 11260 // System apps are never considered stopped for purposes of 11261 // filtering, because there may be no way for the user to 11262 // actually re-launch them. 11263 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 11264 && ps.getStopped(userId); 11265 } 11266 } 11267 return false; 11268 } 11269 11270 @Override 11271 protected boolean isPackageForFilter(String packageName, 11272 PackageParser.ProviderIntentInfo info) { 11273 return packageName.equals(info.provider.owner.packageName); 11274 } 11275 11276 @Override 11277 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 11278 int match, int userId) { 11279 if (!sUserManager.exists(userId)) 11280 return null; 11281 final PackageParser.ProviderIntentInfo info = filter; 11282 if (!mSettings.isEnabledAndMatchLPr(info.provider.info, mFlags, userId)) { 11283 return null; 11284 } 11285 final PackageParser.Provider provider = info.provider; 11286 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 11287 if (ps == null) { 11288 return null; 11289 } 11290 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 11291 ps.readUserState(userId), userId); 11292 if (pi == null) { 11293 return null; 11294 } 11295 final ResolveInfo res = new ResolveInfo(); 11296 res.providerInfo = pi; 11297 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 11298 res.filter = filter; 11299 } 11300 res.priority = info.getPriority(); 11301 res.preferredOrder = provider.owner.mPreferredOrder; 11302 res.match = match; 11303 res.isDefault = info.hasDefault; 11304 res.labelRes = info.labelRes; 11305 res.nonLocalizedLabel = info.nonLocalizedLabel; 11306 res.icon = info.icon; 11307 res.system = res.providerInfo.applicationInfo.isSystemApp(); 11308 return res; 11309 } 11310 11311 @Override 11312 protected void sortResults(List<ResolveInfo> results) { 11313 Collections.sort(results, mResolvePrioritySorter); 11314 } 11315 11316 @Override 11317 protected void dumpFilter(PrintWriter out, String prefix, 11318 PackageParser.ProviderIntentInfo filter) { 11319 out.print(prefix); 11320 out.print( 11321 Integer.toHexString(System.identityHashCode(filter.provider))); 11322 out.print(' '); 11323 filter.provider.printComponentShortName(out); 11324 out.print(" filter "); 11325 out.println(Integer.toHexString(System.identityHashCode(filter))); 11326 } 11327 11328 @Override 11329 protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) { 11330 return filter.provider; 11331 } 11332 11333 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 11334 PackageParser.Provider provider = (PackageParser.Provider)label; 11335 out.print(prefix); out.print( 11336 Integer.toHexString(System.identityHashCode(provider))); 11337 out.print(' '); 11338 provider.printComponentShortName(out); 11339 if (count > 1) { 11340 out.print(" ("); out.print(count); out.print(" filters)"); 11341 } 11342 out.println(); 11343 } 11344 11345 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 11346 = new ArrayMap<ComponentName, PackageParser.Provider>(); 11347 private int mFlags; 11348 } 11349 11350 private static final class EphemeralIntentResolver 11351 extends IntentResolver<EphemeralResolveIntentInfo, EphemeralResolveInfo> { 11352 /** 11353 * The result that has the highest defined order. Ordering applies on a 11354 * per-package basis. Mapping is from package name to Pair of order and 11355 * EphemeralResolveInfo. 11356 * <p> 11357 * NOTE: This is implemented as a field variable for convenience and efficiency. 11358 * By having a field variable, we're able to track filter ordering as soon as 11359 * a non-zero order is defined. Otherwise, multiple loops across the result set 11360 * would be needed to apply ordering. If the intent resolver becomes re-entrant, 11361 * this needs to be contained entirely within {@link #filterResults()}. 11362 */ 11363 final ArrayMap<String, Pair<Integer, EphemeralResolveInfo>> mOrderResult = new ArrayMap<>(); 11364 11365 @Override 11366 protected EphemeralResolveIntentInfo[] newArray(int size) { 11367 return new EphemeralResolveIntentInfo[size]; 11368 } 11369 11370 @Override 11371 protected boolean isPackageForFilter(String packageName, EphemeralResolveIntentInfo info) { 11372 return true; 11373 } 11374 11375 @Override 11376 protected EphemeralResolveInfo newResult(EphemeralResolveIntentInfo info, int match, 11377 int userId) { 11378 if (!sUserManager.exists(userId)) { 11379 return null; 11380 } 11381 final String packageName = info.getEphemeralResolveInfo().getPackageName(); 11382 final Integer order = info.getOrder(); 11383 final Pair<Integer, EphemeralResolveInfo> lastOrderResult = 11384 mOrderResult.get(packageName); 11385 // ordering is enabled and this item's order isn't high enough 11386 if (lastOrderResult != null && lastOrderResult.first >= order) { 11387 return null; 11388 } 11389 final EphemeralResolveInfo res = info.getEphemeralResolveInfo(); 11390 if (order > 0) { 11391 // non-zero order, enable ordering 11392 mOrderResult.put(packageName, new Pair<>(order, res)); 11393 } 11394 return res; 11395 } 11396 11397 @Override 11398 protected void filterResults(List<EphemeralResolveInfo> results) { 11399 // only do work if ordering is enabled [most of the time it won't be] 11400 if (mOrderResult.size() == 0) { 11401 return; 11402 } 11403 int resultSize = results.size(); 11404 for (int i = 0; i < resultSize; i++) { 11405 final EphemeralResolveInfo info = results.get(i); 11406 final String packageName = info.getPackageName(); 11407 final Pair<Integer, EphemeralResolveInfo> savedInfo = mOrderResult.get(packageName); 11408 if (savedInfo == null) { 11409 // package doesn't having ordering 11410 continue; 11411 } 11412 if (savedInfo.second == info) { 11413 // circled back to the highest ordered item; remove from order list 11414 mOrderResult.remove(savedInfo); 11415 if (mOrderResult.size() == 0) { 11416 // no more ordered items 11417 break; 11418 } 11419 continue; 11420 } 11421 // item has a worse order, remove it from the result list 11422 results.remove(i); 11423 resultSize--; 11424 i--; 11425 } 11426 } 11427 } 11428 11429 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 11430 new Comparator<ResolveInfo>() { 11431 public int compare(ResolveInfo r1, ResolveInfo r2) { 11432 int v1 = r1.priority; 11433 int v2 = r2.priority; 11434 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 11435 if (v1 != v2) { 11436 return (v1 > v2) ? -1 : 1; 11437 } 11438 v1 = r1.preferredOrder; 11439 v2 = r2.preferredOrder; 11440 if (v1 != v2) { 11441 return (v1 > v2) ? -1 : 1; 11442 } 11443 if (r1.isDefault != r2.isDefault) { 11444 return r1.isDefault ? -1 : 1; 11445 } 11446 v1 = r1.match; 11447 v2 = r2.match; 11448 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 11449 if (v1 != v2) { 11450 return (v1 > v2) ? -1 : 1; 11451 } 11452 if (r1.system != r2.system) { 11453 return r1.system ? -1 : 1; 11454 } 11455 if (r1.activityInfo != null) { 11456 return r1.activityInfo.packageName.compareTo(r2.activityInfo.packageName); 11457 } 11458 if (r1.serviceInfo != null) { 11459 return r1.serviceInfo.packageName.compareTo(r2.serviceInfo.packageName); 11460 } 11461 if (r1.providerInfo != null) { 11462 return r1.providerInfo.packageName.compareTo(r2.providerInfo.packageName); 11463 } 11464 return 0; 11465 } 11466 }; 11467 11468 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 11469 new Comparator<ProviderInfo>() { 11470 public int compare(ProviderInfo p1, ProviderInfo p2) { 11471 final int v1 = p1.initOrder; 11472 final int v2 = p2.initOrder; 11473 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 11474 } 11475 }; 11476 11477 final void sendPackageBroadcast(final String action, final String pkg, final Bundle extras, 11478 final int flags, final String targetPkg, final IIntentReceiver finishedReceiver, 11479 final int[] userIds) { 11480 mHandler.post(new Runnable() { 11481 @Override 11482 public void run() { 11483 try { 11484 final IActivityManager am = ActivityManagerNative.getDefault(); 11485 if (am == null) return; 11486 final int[] resolvedUserIds; 11487 if (userIds == null) { 11488 resolvedUserIds = am.getRunningUserIds(); 11489 } else { 11490 resolvedUserIds = userIds; 11491 } 11492 for (int id : resolvedUserIds) { 11493 final Intent intent = new Intent(action, 11494 pkg != null ? Uri.fromParts(PACKAGE_SCHEME, pkg, null) : null); 11495 if (extras != null) { 11496 intent.putExtras(extras); 11497 } 11498 if (targetPkg != null) { 11499 intent.setPackage(targetPkg); 11500 } 11501 // Modify the UID when posting to other users 11502 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 11503 if (uid > 0 && UserHandle.getUserId(uid) != id) { 11504 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 11505 intent.putExtra(Intent.EXTRA_UID, uid); 11506 } 11507 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 11508 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT | flags); 11509 if (DEBUG_BROADCASTS) { 11510 RuntimeException here = new RuntimeException("here"); 11511 here.fillInStackTrace(); 11512 Slog.d(TAG, "Sending to user " + id + ": " 11513 + intent.toShortString(false, true, false, false) 11514 + " " + intent.getExtras(), here); 11515 } 11516 am.broadcastIntent(null, intent, null, finishedReceiver, 11517 0, null, null, null, android.app.AppOpsManager.OP_NONE, 11518 null, finishedReceiver != null, false, id); 11519 } 11520 } catch (RemoteException ex) { 11521 } 11522 } 11523 }); 11524 } 11525 11526 /** 11527 * Check if the external storage media is available. This is true if there 11528 * is a mounted external storage medium or if the external storage is 11529 * emulated. 11530 */ 11531 private boolean isExternalMediaAvailable() { 11532 return mMediaMounted || Environment.isExternalStorageEmulated(); 11533 } 11534 11535 @Override 11536 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 11537 // writer 11538 synchronized (mPackages) { 11539 if (!isExternalMediaAvailable()) { 11540 // If the external storage is no longer mounted at this point, 11541 // the caller may not have been able to delete all of this 11542 // packages files and can not delete any more. Bail. 11543 return null; 11544 } 11545 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 11546 if (lastPackage != null) { 11547 pkgs.remove(lastPackage); 11548 } 11549 if (pkgs.size() > 0) { 11550 return pkgs.get(0); 11551 } 11552 } 11553 return null; 11554 } 11555 11556 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 11557 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 11558 userId, andCode ? 1 : 0, packageName); 11559 if (mSystemReady) { 11560 msg.sendToTarget(); 11561 } else { 11562 if (mPostSystemReadyMessages == null) { 11563 mPostSystemReadyMessages = new ArrayList<>(); 11564 } 11565 mPostSystemReadyMessages.add(msg); 11566 } 11567 } 11568 11569 void startCleaningPackages() { 11570 // reader 11571 if (!isExternalMediaAvailable()) { 11572 return; 11573 } 11574 synchronized (mPackages) { 11575 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 11576 return; 11577 } 11578 } 11579 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 11580 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 11581 IActivityManager am = ActivityManagerNative.getDefault(); 11582 if (am != null) { 11583 try { 11584 am.startService(null, intent, null, mContext.getOpPackageName(), 11585 UserHandle.USER_SYSTEM); 11586 } catch (RemoteException e) { 11587 } 11588 } 11589 } 11590 11591 @Override 11592 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 11593 int installFlags, String installerPackageName, int userId) { 11594 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 11595 11596 final int callingUid = Binder.getCallingUid(); 11597 enforceCrossUserPermission(callingUid, userId, 11598 true /* requireFullPermission */, true /* checkShell */, "installPackageAsUser"); 11599 11600 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 11601 try { 11602 if (observer != null) { 11603 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 11604 } 11605 } catch (RemoteException re) { 11606 } 11607 return; 11608 } 11609 11610 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 11611 installFlags |= PackageManager.INSTALL_FROM_ADB; 11612 11613 } else { 11614 // Caller holds INSTALL_PACKAGES permission, so we're less strict 11615 // about installerPackageName. 11616 11617 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 11618 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 11619 } 11620 11621 UserHandle user; 11622 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 11623 user = UserHandle.ALL; 11624 } else { 11625 user = new UserHandle(userId); 11626 } 11627 11628 // Only system components can circumvent runtime permissions when installing. 11629 if ((installFlags & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0 11630 && mContext.checkCallingOrSelfPermission(Manifest.permission 11631 .INSTALL_GRANT_RUNTIME_PERMISSIONS) == PackageManager.PERMISSION_DENIED) { 11632 throw new SecurityException("You need the " 11633 + "android.permission.INSTALL_GRANT_RUNTIME_PERMISSIONS permission " 11634 + "to use the PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS flag"); 11635 } 11636 11637 final File originFile = new File(originPath); 11638 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 11639 11640 final Message msg = mHandler.obtainMessage(INIT_COPY); 11641 final VerificationInfo verificationInfo = new VerificationInfo( 11642 null /*originatingUri*/, null /*referrer*/, -1 /*originatingUid*/, callingUid); 11643 final InstallParams params = new InstallParams(origin, null /*moveInfo*/, observer, 11644 installFlags, installerPackageName, null /*volumeUuid*/, verificationInfo, user, 11645 null /*packageAbiOverride*/, null /*grantedPermissions*/, 11646 null /*certificates*/); 11647 params.setTraceMethod("installAsUser").setTraceCookie(System.identityHashCode(params)); 11648 msg.obj = params; 11649 11650 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installAsUser", 11651 System.identityHashCode(msg.obj)); 11652 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 11653 System.identityHashCode(msg.obj)); 11654 11655 mHandler.sendMessage(msg); 11656 } 11657 11658 void installStage(String packageName, File stagedDir, String stagedCid, 11659 IPackageInstallObserver2 observer, PackageInstaller.SessionParams sessionParams, 11660 String installerPackageName, int installerUid, UserHandle user, 11661 Certificate[][] certificates) { 11662 if (DEBUG_EPHEMERAL) { 11663 if ((sessionParams.installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 11664 Slog.d(TAG, "Ephemeral install of " + packageName); 11665 } 11666 } 11667 final VerificationInfo verificationInfo = new VerificationInfo( 11668 sessionParams.originatingUri, sessionParams.referrerUri, 11669 sessionParams.originatingUid, installerUid); 11670 11671 final OriginInfo origin; 11672 if (stagedDir != null) { 11673 origin = OriginInfo.fromStagedFile(stagedDir); 11674 } else { 11675 origin = OriginInfo.fromStagedContainer(stagedCid); 11676 } 11677 11678 final Message msg = mHandler.obtainMessage(INIT_COPY); 11679 final InstallParams params = new InstallParams(origin, null, observer, 11680 sessionParams.installFlags, installerPackageName, sessionParams.volumeUuid, 11681 verificationInfo, user, sessionParams.abiOverride, 11682 sessionParams.grantedRuntimePermissions, certificates); 11683 params.setTraceMethod("installStage").setTraceCookie(System.identityHashCode(params)); 11684 msg.obj = params; 11685 11686 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installStage", 11687 System.identityHashCode(msg.obj)); 11688 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 11689 System.identityHashCode(msg.obj)); 11690 11691 mHandler.sendMessage(msg); 11692 } 11693 11694 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, 11695 int userId) { 11696 final boolean isSystem = isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 11697 sendPackageAddedForUser(packageName, isSystem, pkgSetting.appId, userId); 11698 } 11699 11700 private void sendPackageAddedForUser(String packageName, boolean isSystem, 11701 int appId, int userId) { 11702 Bundle extras = new Bundle(1); 11703 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, appId)); 11704 11705 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 11706 packageName, extras, 0, null, null, new int[] {userId}); 11707 try { 11708 IActivityManager am = ActivityManagerNative.getDefault(); 11709 if (isSystem && am.isUserRunning(userId, 0)) { 11710 // The just-installed/enabled app is bundled on the system, so presumed 11711 // to be able to run automatically without needing an explicit launch. 11712 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 11713 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 11714 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 11715 .setPackage(packageName); 11716 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 11717 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 11718 } 11719 } catch (RemoteException e) { 11720 // shouldn't happen 11721 Slog.w(TAG, "Unable to bootstrap installed package", e); 11722 } 11723 } 11724 11725 @Override 11726 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 11727 int userId) { 11728 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11729 PackageSetting pkgSetting; 11730 final int uid = Binder.getCallingUid(); 11731 enforceCrossUserPermission(uid, userId, 11732 true /* requireFullPermission */, true /* checkShell */, 11733 "setApplicationHiddenSetting for user " + userId); 11734 11735 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 11736 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 11737 return false; 11738 } 11739 11740 long callingId = Binder.clearCallingIdentity(); 11741 try { 11742 boolean sendAdded = false; 11743 boolean sendRemoved = false; 11744 // writer 11745 synchronized (mPackages) { 11746 pkgSetting = mSettings.mPackages.get(packageName); 11747 if (pkgSetting == null) { 11748 return false; 11749 } 11750 // Do not allow "android" is being disabled 11751 if ("android".equals(packageName)) { 11752 Slog.w(TAG, "Cannot hide package: android"); 11753 return false; 11754 } 11755 // Only allow protected packages to hide themselves. 11756 if (hidden && !UserHandle.isSameApp(uid, pkgSetting.appId) 11757 && mProtectedPackages.isPackageStateProtected(userId, packageName)) { 11758 Slog.w(TAG, "Not hiding protected package: " + packageName); 11759 return false; 11760 } 11761 11762 if (pkgSetting.getHidden(userId) != hidden) { 11763 pkgSetting.setHidden(hidden, userId); 11764 mSettings.writePackageRestrictionsLPr(userId); 11765 if (hidden) { 11766 sendRemoved = true; 11767 } else { 11768 sendAdded = true; 11769 } 11770 } 11771 } 11772 if (sendAdded) { 11773 sendPackageAddedForUser(packageName, pkgSetting, userId); 11774 return true; 11775 } 11776 if (sendRemoved) { 11777 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 11778 "hiding pkg"); 11779 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 11780 return true; 11781 } 11782 } finally { 11783 Binder.restoreCallingIdentity(callingId); 11784 } 11785 return false; 11786 } 11787 11788 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 11789 int userId) { 11790 final PackageRemovedInfo info = new PackageRemovedInfo(); 11791 info.removedPackage = packageName; 11792 info.removedUsers = new int[] {userId}; 11793 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 11794 info.sendPackageRemovedBroadcasts(true /*killApp*/); 11795 } 11796 11797 private void sendPackagesSuspendedForUser(String[] pkgList, int userId, boolean suspended) { 11798 if (pkgList.length > 0) { 11799 Bundle extras = new Bundle(1); 11800 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 11801 11802 sendPackageBroadcast( 11803 suspended ? Intent.ACTION_PACKAGES_SUSPENDED 11804 : Intent.ACTION_PACKAGES_UNSUSPENDED, 11805 null, extras, Intent.FLAG_RECEIVER_REGISTERED_ONLY, null, null, 11806 new int[] {userId}); 11807 } 11808 } 11809 11810 /** 11811 * Returns true if application is not found or there was an error. Otherwise it returns 11812 * the hidden state of the package for the given user. 11813 */ 11814 @Override 11815 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 11816 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11817 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11818 true /* requireFullPermission */, false /* checkShell */, 11819 "getApplicationHidden for user " + userId); 11820 PackageSetting pkgSetting; 11821 long callingId = Binder.clearCallingIdentity(); 11822 try { 11823 // writer 11824 synchronized (mPackages) { 11825 pkgSetting = mSettings.mPackages.get(packageName); 11826 if (pkgSetting == null) { 11827 return true; 11828 } 11829 return pkgSetting.getHidden(userId); 11830 } 11831 } finally { 11832 Binder.restoreCallingIdentity(callingId); 11833 } 11834 } 11835 11836 /** 11837 * @hide 11838 */ 11839 @Override 11840 public int installExistingPackageAsUser(String packageName, int userId) { 11841 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 11842 null); 11843 PackageSetting pkgSetting; 11844 final int uid = Binder.getCallingUid(); 11845 enforceCrossUserPermission(uid, userId, 11846 true /* requireFullPermission */, true /* checkShell */, 11847 "installExistingPackage for user " + userId); 11848 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 11849 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 11850 } 11851 11852 long callingId = Binder.clearCallingIdentity(); 11853 try { 11854 boolean installed = false; 11855 11856 // writer 11857 synchronized (mPackages) { 11858 pkgSetting = mSettings.mPackages.get(packageName); 11859 if (pkgSetting == null) { 11860 return PackageManager.INSTALL_FAILED_INVALID_URI; 11861 } 11862 if (!pkgSetting.getInstalled(userId)) { 11863 pkgSetting.setInstalled(true, userId); 11864 pkgSetting.setHidden(false, userId); 11865 mSettings.writePackageRestrictionsLPr(userId); 11866 installed = true; 11867 } 11868 } 11869 11870 if (installed) { 11871 if (pkgSetting.pkg != null) { 11872 synchronized (mInstallLock) { 11873 // We don't need to freeze for a brand new install 11874 prepareAppDataAfterInstallLIF(pkgSetting.pkg); 11875 } 11876 } 11877 sendPackageAddedForUser(packageName, pkgSetting, userId); 11878 } 11879 } finally { 11880 Binder.restoreCallingIdentity(callingId); 11881 } 11882 11883 return PackageManager.INSTALL_SUCCEEDED; 11884 } 11885 11886 boolean isUserRestricted(int userId, String restrictionKey) { 11887 Bundle restrictions = sUserManager.getUserRestrictions(userId); 11888 if (restrictions.getBoolean(restrictionKey, false)) { 11889 Log.w(TAG, "User is restricted: " + restrictionKey); 11890 return true; 11891 } 11892 return false; 11893 } 11894 11895 @Override 11896 public String[] setPackagesSuspendedAsUser(String[] packageNames, boolean suspended, 11897 int userId) { 11898 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11899 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11900 true /* requireFullPermission */, true /* checkShell */, 11901 "setPackagesSuspended for user " + userId); 11902 11903 if (ArrayUtils.isEmpty(packageNames)) { 11904 return packageNames; 11905 } 11906 11907 // List of package names for whom the suspended state has changed. 11908 List<String> changedPackages = new ArrayList<>(packageNames.length); 11909 // List of package names for whom the suspended state is not set as requested in this 11910 // method. 11911 List<String> unactionedPackages = new ArrayList<>(packageNames.length); 11912 long callingId = Binder.clearCallingIdentity(); 11913 try { 11914 for (int i = 0; i < packageNames.length; i++) { 11915 String packageName = packageNames[i]; 11916 boolean changed = false; 11917 final int appId; 11918 synchronized (mPackages) { 11919 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 11920 if (pkgSetting == null) { 11921 Slog.w(TAG, "Could not find package setting for package \"" + packageName 11922 + "\". Skipping suspending/un-suspending."); 11923 unactionedPackages.add(packageName); 11924 continue; 11925 } 11926 appId = pkgSetting.appId; 11927 if (pkgSetting.getSuspended(userId) != suspended) { 11928 if (!canSuspendPackageForUserLocked(packageName, userId)) { 11929 unactionedPackages.add(packageName); 11930 continue; 11931 } 11932 pkgSetting.setSuspended(suspended, userId); 11933 mSettings.writePackageRestrictionsLPr(userId); 11934 changed = true; 11935 changedPackages.add(packageName); 11936 } 11937 } 11938 11939 if (changed && suspended) { 11940 killApplication(packageName, UserHandle.getUid(userId, appId), 11941 "suspending package"); 11942 } 11943 } 11944 } finally { 11945 Binder.restoreCallingIdentity(callingId); 11946 } 11947 11948 if (!changedPackages.isEmpty()) { 11949 sendPackagesSuspendedForUser(changedPackages.toArray( 11950 new String[changedPackages.size()]), userId, suspended); 11951 } 11952 11953 return unactionedPackages.toArray(new String[unactionedPackages.size()]); 11954 } 11955 11956 @Override 11957 public boolean isPackageSuspendedForUser(String packageName, int userId) { 11958 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11959 true /* requireFullPermission */, false /* checkShell */, 11960 "isPackageSuspendedForUser for user " + userId); 11961 synchronized (mPackages) { 11962 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 11963 if (pkgSetting == null) { 11964 throw new IllegalArgumentException("Unknown target package: " + packageName); 11965 } 11966 return pkgSetting.getSuspended(userId); 11967 } 11968 } 11969 11970 private boolean canSuspendPackageForUserLocked(String packageName, int userId) { 11971 if (isPackageDeviceAdmin(packageName, userId)) { 11972 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11973 + "\": has an active device admin"); 11974 return false; 11975 } 11976 11977 String activeLauncherPackageName = getActiveLauncherPackageName(userId); 11978 if (packageName.equals(activeLauncherPackageName)) { 11979 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11980 + "\": contains the active launcher"); 11981 return false; 11982 } 11983 11984 if (packageName.equals(mRequiredInstallerPackage)) { 11985 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11986 + "\": required for package installation"); 11987 return false; 11988 } 11989 11990 if (packageName.equals(mRequiredUninstallerPackage)) { 11991 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11992 + "\": required for package uninstallation"); 11993 return false; 11994 } 11995 11996 if (packageName.equals(mRequiredVerifierPackage)) { 11997 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11998 + "\": required for package verification"); 11999 return false; 12000 } 12001 12002 if (packageName.equals(getDefaultDialerPackageName(userId))) { 12003 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 12004 + "\": is the default dialer"); 12005 return false; 12006 } 12007 12008 if (mProtectedPackages.isPackageStateProtected(userId, packageName)) { 12009 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 12010 + "\": protected package"); 12011 return false; 12012 } 12013 12014 return true; 12015 } 12016 12017 private String getActiveLauncherPackageName(int userId) { 12018 Intent intent = new Intent(Intent.ACTION_MAIN); 12019 intent.addCategory(Intent.CATEGORY_HOME); 12020 ResolveInfo resolveInfo = resolveIntent( 12021 intent, 12022 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 12023 PackageManager.MATCH_DEFAULT_ONLY, 12024 userId); 12025 12026 return resolveInfo == null ? null : resolveInfo.activityInfo.packageName; 12027 } 12028 12029 private String getDefaultDialerPackageName(int userId) { 12030 synchronized (mPackages) { 12031 return mSettings.getDefaultDialerPackageNameLPw(userId); 12032 } 12033 } 12034 12035 @Override 12036 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 12037 mContext.enforceCallingOrSelfPermission( 12038 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 12039 "Only package verification agents can verify applications"); 12040 12041 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 12042 final PackageVerificationResponse response = new PackageVerificationResponse( 12043 verificationCode, Binder.getCallingUid()); 12044 msg.arg1 = id; 12045 msg.obj = response; 12046 mHandler.sendMessage(msg); 12047 } 12048 12049 @Override 12050 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 12051 long millisecondsToDelay) { 12052 mContext.enforceCallingOrSelfPermission( 12053 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 12054 "Only package verification agents can extend verification timeouts"); 12055 12056 final PackageVerificationState state = mPendingVerification.get(id); 12057 final PackageVerificationResponse response = new PackageVerificationResponse( 12058 verificationCodeAtTimeout, Binder.getCallingUid()); 12059 12060 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 12061 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 12062 } 12063 if (millisecondsToDelay < 0) { 12064 millisecondsToDelay = 0; 12065 } 12066 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 12067 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 12068 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 12069 } 12070 12071 if ((state != null) && !state.timeoutExtended()) { 12072 state.extendTimeout(); 12073 12074 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 12075 msg.arg1 = id; 12076 msg.obj = response; 12077 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 12078 } 12079 } 12080 12081 private void broadcastPackageVerified(int verificationId, Uri packageUri, 12082 int verificationCode, UserHandle user) { 12083 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 12084 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 12085 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 12086 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 12087 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 12088 12089 mContext.sendBroadcastAsUser(intent, user, 12090 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 12091 } 12092 12093 private ComponentName matchComponentForVerifier(String packageName, 12094 List<ResolveInfo> receivers) { 12095 ActivityInfo targetReceiver = null; 12096 12097 final int NR = receivers.size(); 12098 for (int i = 0; i < NR; i++) { 12099 final ResolveInfo info = receivers.get(i); 12100 if (info.activityInfo == null) { 12101 continue; 12102 } 12103 12104 if (packageName.equals(info.activityInfo.packageName)) { 12105 targetReceiver = info.activityInfo; 12106 break; 12107 } 12108 } 12109 12110 if (targetReceiver == null) { 12111 return null; 12112 } 12113 12114 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 12115 } 12116 12117 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 12118 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 12119 if (pkgInfo.verifiers.length == 0) { 12120 return null; 12121 } 12122 12123 final int N = pkgInfo.verifiers.length; 12124 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 12125 for (int i = 0; i < N; i++) { 12126 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 12127 12128 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 12129 receivers); 12130 if (comp == null) { 12131 continue; 12132 } 12133 12134 final int verifierUid = getUidForVerifier(verifierInfo); 12135 if (verifierUid == -1) { 12136 continue; 12137 } 12138 12139 if (DEBUG_VERIFY) { 12140 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 12141 + " with the correct signature"); 12142 } 12143 sufficientVerifiers.add(comp); 12144 verificationState.addSufficientVerifier(verifierUid); 12145 } 12146 12147 return sufficientVerifiers; 12148 } 12149 12150 private int getUidForVerifier(VerifierInfo verifierInfo) { 12151 synchronized (mPackages) { 12152 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 12153 if (pkg == null) { 12154 return -1; 12155 } else if (pkg.mSignatures.length != 1) { 12156 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 12157 + " has more than one signature; ignoring"); 12158 return -1; 12159 } 12160 12161 /* 12162 * If the public key of the package's signature does not match 12163 * our expected public key, then this is a different package and 12164 * we should skip. 12165 */ 12166 12167 final byte[] expectedPublicKey; 12168 try { 12169 final Signature verifierSig = pkg.mSignatures[0]; 12170 final PublicKey publicKey = verifierSig.getPublicKey(); 12171 expectedPublicKey = publicKey.getEncoded(); 12172 } catch (CertificateException e) { 12173 return -1; 12174 } 12175 12176 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 12177 12178 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 12179 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 12180 + " does not have the expected public key; ignoring"); 12181 return -1; 12182 } 12183 12184 return pkg.applicationInfo.uid; 12185 } 12186 } 12187 12188 @Override 12189 public void finishPackageInstall(int token, boolean didLaunch) { 12190 enforceSystemOrRoot("Only the system is allowed to finish installs"); 12191 12192 if (DEBUG_INSTALL) { 12193 Slog.v(TAG, "BM finishing package install for " + token); 12194 } 12195 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 12196 12197 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, didLaunch ? 1 : 0); 12198 mHandler.sendMessage(msg); 12199 } 12200 12201 /** 12202 * Get the verification agent timeout. 12203 * 12204 * @return verification timeout in milliseconds 12205 */ 12206 private long getVerificationTimeout() { 12207 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 12208 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 12209 DEFAULT_VERIFICATION_TIMEOUT); 12210 } 12211 12212 /** 12213 * Get the default verification agent response code. 12214 * 12215 * @return default verification response code 12216 */ 12217 private int getDefaultVerificationResponse() { 12218 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12219 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 12220 DEFAULT_VERIFICATION_RESPONSE); 12221 } 12222 12223 /** 12224 * Check whether or not package verification has been enabled. 12225 * 12226 * @return true if verification should be performed 12227 */ 12228 private boolean isVerificationEnabled(int userId, int installFlags) { 12229 if (!DEFAULT_VERIFY_ENABLE) { 12230 return false; 12231 } 12232 // Ephemeral apps don't get the full verification treatment 12233 if ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 12234 if (DEBUG_EPHEMERAL) { 12235 Slog.d(TAG, "INSTALL_EPHEMERAL so skipping verification"); 12236 } 12237 return false; 12238 } 12239 12240 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 12241 12242 // Check if installing from ADB 12243 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 12244 // Do not run verification in a test harness environment 12245 if (ActivityManager.isRunningInTestHarness()) { 12246 return false; 12247 } 12248 if (ensureVerifyAppsEnabled) { 12249 return true; 12250 } 12251 // Check if the developer does not want package verification for ADB installs 12252 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12253 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 12254 return false; 12255 } 12256 } 12257 12258 if (ensureVerifyAppsEnabled) { 12259 return true; 12260 } 12261 12262 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12263 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 12264 } 12265 12266 @Override 12267 public void verifyIntentFilter(int id, int verificationCode, List<String> failedDomains) 12268 throws RemoteException { 12269 mContext.enforceCallingOrSelfPermission( 12270 Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 12271 "Only intentfilter verification agents can verify applications"); 12272 12273 final Message msg = mHandler.obtainMessage(INTENT_FILTER_VERIFIED); 12274 final IntentFilterVerificationResponse response = new IntentFilterVerificationResponse( 12275 Binder.getCallingUid(), verificationCode, failedDomains); 12276 msg.arg1 = id; 12277 msg.obj = response; 12278 mHandler.sendMessage(msg); 12279 } 12280 12281 @Override 12282 public int getIntentVerificationStatus(String packageName, int userId) { 12283 synchronized (mPackages) { 12284 return mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 12285 } 12286 } 12287 12288 @Override 12289 public boolean updateIntentVerificationStatus(String packageName, int status, int userId) { 12290 mContext.enforceCallingOrSelfPermission( 12291 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 12292 12293 boolean result = false; 12294 synchronized (mPackages) { 12295 result = mSettings.updateIntentFilterVerificationStatusLPw(packageName, status, userId); 12296 } 12297 if (result) { 12298 scheduleWritePackageRestrictionsLocked(userId); 12299 } 12300 return result; 12301 } 12302 12303 @Override 12304 public @NonNull ParceledListSlice<IntentFilterVerificationInfo> getIntentFilterVerifications( 12305 String packageName) { 12306 synchronized (mPackages) { 12307 return new ParceledListSlice<>(mSettings.getIntentFilterVerificationsLPr(packageName)); 12308 } 12309 } 12310 12311 @Override 12312 public @NonNull ParceledListSlice<IntentFilter> getAllIntentFilters(String packageName) { 12313 if (TextUtils.isEmpty(packageName)) { 12314 return ParceledListSlice.emptyList(); 12315 } 12316 synchronized (mPackages) { 12317 PackageParser.Package pkg = mPackages.get(packageName); 12318 if (pkg == null || pkg.activities == null) { 12319 return ParceledListSlice.emptyList(); 12320 } 12321 final int count = pkg.activities.size(); 12322 ArrayList<IntentFilter> result = new ArrayList<>(); 12323 for (int n=0; n<count; n++) { 12324 PackageParser.Activity activity = pkg.activities.get(n); 12325 if (activity.intents != null && activity.intents.size() > 0) { 12326 result.addAll(activity.intents); 12327 } 12328 } 12329 return new ParceledListSlice<>(result); 12330 } 12331 } 12332 12333 @Override 12334 public boolean setDefaultBrowserPackageName(String packageName, int userId) { 12335 mContext.enforceCallingOrSelfPermission( 12336 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 12337 12338 synchronized (mPackages) { 12339 boolean result = mSettings.setDefaultBrowserPackageNameLPw(packageName, userId); 12340 if (packageName != null) { 12341 result |= updateIntentVerificationStatus(packageName, 12342 PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, 12343 userId); 12344 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultBrowserLPr( 12345 packageName, userId); 12346 } 12347 return result; 12348 } 12349 } 12350 12351 @Override 12352 public String getDefaultBrowserPackageName(int userId) { 12353 synchronized (mPackages) { 12354 return mSettings.getDefaultBrowserPackageNameLPw(userId); 12355 } 12356 } 12357 12358 /** 12359 * Get the "allow unknown sources" setting. 12360 * 12361 * @return the current "allow unknown sources" setting 12362 */ 12363 private int getUnknownSourcesSettings() { 12364 return android.provider.Settings.Secure.getInt(mContext.getContentResolver(), 12365 android.provider.Settings.Secure.INSTALL_NON_MARKET_APPS, 12366 -1); 12367 } 12368 12369 @Override 12370 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 12371 final int uid = Binder.getCallingUid(); 12372 // writer 12373 synchronized (mPackages) { 12374 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 12375 if (targetPackageSetting == null) { 12376 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 12377 } 12378 12379 PackageSetting installerPackageSetting; 12380 if (installerPackageName != null) { 12381 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 12382 if (installerPackageSetting == null) { 12383 throw new IllegalArgumentException("Unknown installer package: " 12384 + installerPackageName); 12385 } 12386 } else { 12387 installerPackageSetting = null; 12388 } 12389 12390 Signature[] callerSignature; 12391 Object obj = mSettings.getUserIdLPr(uid); 12392 if (obj != null) { 12393 if (obj instanceof SharedUserSetting) { 12394 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 12395 } else if (obj instanceof PackageSetting) { 12396 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 12397 } else { 12398 throw new SecurityException("Bad object " + obj + " for uid " + uid); 12399 } 12400 } else { 12401 throw new SecurityException("Unknown calling UID: " + uid); 12402 } 12403 12404 // Verify: can't set installerPackageName to a package that is 12405 // not signed with the same cert as the caller. 12406 if (installerPackageSetting != null) { 12407 if (compareSignatures(callerSignature, 12408 installerPackageSetting.signatures.mSignatures) 12409 != PackageManager.SIGNATURE_MATCH) { 12410 throw new SecurityException( 12411 "Caller does not have same cert as new installer package " 12412 + installerPackageName); 12413 } 12414 } 12415 12416 // Verify: if target already has an installer package, it must 12417 // be signed with the same cert as the caller. 12418 if (targetPackageSetting.installerPackageName != null) { 12419 PackageSetting setting = mSettings.mPackages.get( 12420 targetPackageSetting.installerPackageName); 12421 // If the currently set package isn't valid, then it's always 12422 // okay to change it. 12423 if (setting != null) { 12424 if (compareSignatures(callerSignature, 12425 setting.signatures.mSignatures) 12426 != PackageManager.SIGNATURE_MATCH) { 12427 throw new SecurityException( 12428 "Caller does not have same cert as old installer package " 12429 + targetPackageSetting.installerPackageName); 12430 } 12431 } 12432 } 12433 12434 // Okay! 12435 targetPackageSetting.installerPackageName = installerPackageName; 12436 if (installerPackageName != null) { 12437 mSettings.mInstallerPackages.add(installerPackageName); 12438 } 12439 scheduleWriteSettingsLocked(); 12440 } 12441 } 12442 12443 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 12444 // Queue up an async operation since the package installation may take a little while. 12445 mHandler.post(new Runnable() { 12446 public void run() { 12447 mHandler.removeCallbacks(this); 12448 // Result object to be returned 12449 PackageInstalledInfo res = new PackageInstalledInfo(); 12450 res.setReturnCode(currentStatus); 12451 res.uid = -1; 12452 res.pkg = null; 12453 res.removedInfo = null; 12454 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 12455 args.doPreInstall(res.returnCode); 12456 synchronized (mInstallLock) { 12457 installPackageTracedLI(args, res); 12458 } 12459 args.doPostInstall(res.returnCode, res.uid); 12460 } 12461 12462 // A restore should be performed at this point if (a) the install 12463 // succeeded, (b) the operation is not an update, and (c) the new 12464 // package has not opted out of backup participation. 12465 final boolean update = res.removedInfo != null 12466 && res.removedInfo.removedPackage != null; 12467 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 12468 boolean doRestore = !update 12469 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 12470 12471 // Set up the post-install work request bookkeeping. This will be used 12472 // and cleaned up by the post-install event handling regardless of whether 12473 // there's a restore pass performed. Token values are >= 1. 12474 int token; 12475 if (mNextInstallToken < 0) mNextInstallToken = 1; 12476 token = mNextInstallToken++; 12477 12478 PostInstallData data = new PostInstallData(args, res); 12479 mRunningInstalls.put(token, data); 12480 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 12481 12482 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 12483 // Pass responsibility to the Backup Manager. It will perform a 12484 // restore if appropriate, then pass responsibility back to the 12485 // Package Manager to run the post-install observer callbacks 12486 // and broadcasts. 12487 IBackupManager bm = IBackupManager.Stub.asInterface( 12488 ServiceManager.getService(Context.BACKUP_SERVICE)); 12489 if (bm != null) { 12490 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 12491 + " to BM for possible restore"); 12492 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 12493 try { 12494 // TODO: http://b/22388012 12495 if (bm.isBackupServiceActive(UserHandle.USER_SYSTEM)) { 12496 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 12497 } else { 12498 doRestore = false; 12499 } 12500 } catch (RemoteException e) { 12501 // can't happen; the backup manager is local 12502 } catch (Exception e) { 12503 Slog.e(TAG, "Exception trying to enqueue restore", e); 12504 doRestore = false; 12505 } 12506 } else { 12507 Slog.e(TAG, "Backup Manager not found!"); 12508 doRestore = false; 12509 } 12510 } 12511 12512 if (!doRestore) { 12513 // No restore possible, or the Backup Manager was mysteriously not 12514 // available -- just fire the post-install work request directly. 12515 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 12516 12517 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "postInstall", token); 12518 12519 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 12520 mHandler.sendMessage(msg); 12521 } 12522 } 12523 }); 12524 } 12525 12526 /** 12527 * Callback from PackageSettings whenever an app is first transitioned out of the 12528 * 'stopped' state. Normally we just issue the broadcast, but we can't do that if 12529 * the app was "launched" for a restoreAtInstall operation. Therefore we check 12530 * here whether the app is the target of an ongoing install, and only send the 12531 * broadcast immediately if it is not in that state. If it *is* undergoing a restore, 12532 * the first-launch broadcast will be sent implicitly on that basis in POST_INSTALL 12533 * handling. 12534 */ 12535 void notifyFirstLaunch(final String pkgName, final String installerPackage, final int userId) { 12536 // Serialize this with the rest of the install-process message chain. In the 12537 // restore-at-install case, this Runnable will necessarily run before the 12538 // POST_INSTALL message is processed, so the contents of mRunningInstalls 12539 // are coherent. In the non-restore case, the app has already completed install 12540 // and been launched through some other means, so it is not in a problematic 12541 // state for observers to see the FIRST_LAUNCH signal. 12542 mHandler.post(new Runnable() { 12543 @Override 12544 public void run() { 12545 for (int i = 0; i < mRunningInstalls.size(); i++) { 12546 final PostInstallData data = mRunningInstalls.valueAt(i); 12547 if (data.res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 12548 continue; 12549 } 12550 if (pkgName.equals(data.res.pkg.applicationInfo.packageName)) { 12551 // right package; but is it for the right user? 12552 for (int uIndex = 0; uIndex < data.res.newUsers.length; uIndex++) { 12553 if (userId == data.res.newUsers[uIndex]) { 12554 if (DEBUG_BACKUP) { 12555 Slog.i(TAG, "Package " + pkgName 12556 + " being restored so deferring FIRST_LAUNCH"); 12557 } 12558 return; 12559 } 12560 } 12561 } 12562 } 12563 // didn't find it, so not being restored 12564 if (DEBUG_BACKUP) { 12565 Slog.i(TAG, "Package " + pkgName + " sending normal FIRST_LAUNCH"); 12566 } 12567 sendFirstLaunchBroadcast(pkgName, installerPackage, new int[] {userId}); 12568 } 12569 }); 12570 } 12571 12572 private void sendFirstLaunchBroadcast(String pkgName, String installerPkg, int[] userIds) { 12573 sendPackageBroadcast(Intent.ACTION_PACKAGE_FIRST_LAUNCH, pkgName, null, 0, 12574 installerPkg, null, userIds); 12575 } 12576 12577 private abstract class HandlerParams { 12578 private static final int MAX_RETRIES = 4; 12579 12580 /** 12581 * Number of times startCopy() has been attempted and had a non-fatal 12582 * error. 12583 */ 12584 private int mRetries = 0; 12585 12586 /** User handle for the user requesting the information or installation. */ 12587 private final UserHandle mUser; 12588 String traceMethod; 12589 int traceCookie; 12590 12591 HandlerParams(UserHandle user) { 12592 mUser = user; 12593 } 12594 12595 UserHandle getUser() { 12596 return mUser; 12597 } 12598 12599 HandlerParams setTraceMethod(String traceMethod) { 12600 this.traceMethod = traceMethod; 12601 return this; 12602 } 12603 12604 HandlerParams setTraceCookie(int traceCookie) { 12605 this.traceCookie = traceCookie; 12606 return this; 12607 } 12608 12609 final boolean startCopy() { 12610 boolean res; 12611 try { 12612 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 12613 12614 if (++mRetries > MAX_RETRIES) { 12615 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 12616 mHandler.sendEmptyMessage(MCS_GIVE_UP); 12617 handleServiceError(); 12618 return false; 12619 } else { 12620 handleStartCopy(); 12621 res = true; 12622 } 12623 } catch (RemoteException e) { 12624 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 12625 mHandler.sendEmptyMessage(MCS_RECONNECT); 12626 res = false; 12627 } 12628 handleReturnCode(); 12629 return res; 12630 } 12631 12632 final void serviceError() { 12633 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 12634 handleServiceError(); 12635 handleReturnCode(); 12636 } 12637 12638 abstract void handleStartCopy() throws RemoteException; 12639 abstract void handleServiceError(); 12640 abstract void handleReturnCode(); 12641 } 12642 12643 class MeasureParams extends HandlerParams { 12644 private final PackageStats mStats; 12645 private boolean mSuccess; 12646 12647 private final IPackageStatsObserver mObserver; 12648 12649 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 12650 super(new UserHandle(stats.userHandle)); 12651 mObserver = observer; 12652 mStats = stats; 12653 } 12654 12655 @Override 12656 public String toString() { 12657 return "MeasureParams{" 12658 + Integer.toHexString(System.identityHashCode(this)) 12659 + " " + mStats.packageName + "}"; 12660 } 12661 12662 @Override 12663 void handleStartCopy() throws RemoteException { 12664 synchronized (mInstallLock) { 12665 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 12666 } 12667 12668 if (mSuccess) { 12669 boolean mounted = false; 12670 try { 12671 final String status = Environment.getExternalStorageState(); 12672 mounted = (Environment.MEDIA_MOUNTED.equals(status) 12673 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 12674 } catch (Exception e) { 12675 } 12676 12677 if (mounted) { 12678 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 12679 12680 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 12681 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 12682 12683 mStats.externalDataSize = calculateDirectorySize(mContainerService, 12684 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 12685 12686 // Always subtract cache size, since it's a subdirectory 12687 mStats.externalDataSize -= mStats.externalCacheSize; 12688 12689 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 12690 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 12691 12692 mStats.externalObbSize = calculateDirectorySize(mContainerService, 12693 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 12694 } 12695 } 12696 } 12697 12698 @Override 12699 void handleReturnCode() { 12700 if (mObserver != null) { 12701 try { 12702 mObserver.onGetStatsCompleted(mStats, mSuccess); 12703 } catch (RemoteException e) { 12704 Slog.i(TAG, "Observer no longer exists."); 12705 } 12706 } 12707 } 12708 12709 @Override 12710 void handleServiceError() { 12711 Slog.e(TAG, "Could not measure application " + mStats.packageName 12712 + " external storage"); 12713 } 12714 } 12715 12716 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 12717 throws RemoteException { 12718 long result = 0; 12719 for (File path : paths) { 12720 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 12721 } 12722 return result; 12723 } 12724 12725 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 12726 for (File path : paths) { 12727 try { 12728 mcs.clearDirectory(path.getAbsolutePath()); 12729 } catch (RemoteException e) { 12730 } 12731 } 12732 } 12733 12734 static class OriginInfo { 12735 /** 12736 * Location where install is coming from, before it has been 12737 * copied/renamed into place. This could be a single monolithic APK 12738 * file, or a cluster directory. This location may be untrusted. 12739 */ 12740 final File file; 12741 final String cid; 12742 12743 /** 12744 * Flag indicating that {@link #file} or {@link #cid} has already been 12745 * staged, meaning downstream users don't need to defensively copy the 12746 * contents. 12747 */ 12748 final boolean staged; 12749 12750 /** 12751 * Flag indicating that {@link #file} or {@link #cid} is an already 12752 * installed app that is being moved. 12753 */ 12754 final boolean existing; 12755 12756 final String resolvedPath; 12757 final File resolvedFile; 12758 12759 static OriginInfo fromNothing() { 12760 return new OriginInfo(null, null, false, false); 12761 } 12762 12763 static OriginInfo fromUntrustedFile(File file) { 12764 return new OriginInfo(file, null, false, false); 12765 } 12766 12767 static OriginInfo fromExistingFile(File file) { 12768 return new OriginInfo(file, null, false, true); 12769 } 12770 12771 static OriginInfo fromStagedFile(File file) { 12772 return new OriginInfo(file, null, true, false); 12773 } 12774 12775 static OriginInfo fromStagedContainer(String cid) { 12776 return new OriginInfo(null, cid, true, false); 12777 } 12778 12779 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 12780 this.file = file; 12781 this.cid = cid; 12782 this.staged = staged; 12783 this.existing = existing; 12784 12785 if (cid != null) { 12786 resolvedPath = PackageHelper.getSdDir(cid); 12787 resolvedFile = new File(resolvedPath); 12788 } else if (file != null) { 12789 resolvedPath = file.getAbsolutePath(); 12790 resolvedFile = file; 12791 } else { 12792 resolvedPath = null; 12793 resolvedFile = null; 12794 } 12795 } 12796 } 12797 12798 static class MoveInfo { 12799 final int moveId; 12800 final String fromUuid; 12801 final String toUuid; 12802 final String packageName; 12803 final String dataAppName; 12804 final int appId; 12805 final String seinfo; 12806 final int targetSdkVersion; 12807 12808 public MoveInfo(int moveId, String fromUuid, String toUuid, String packageName, 12809 String dataAppName, int appId, String seinfo, int targetSdkVersion) { 12810 this.moveId = moveId; 12811 this.fromUuid = fromUuid; 12812 this.toUuid = toUuid; 12813 this.packageName = packageName; 12814 this.dataAppName = dataAppName; 12815 this.appId = appId; 12816 this.seinfo = seinfo; 12817 this.targetSdkVersion = targetSdkVersion; 12818 } 12819 } 12820 12821 static class VerificationInfo { 12822 /** A constant used to indicate that a uid value is not present. */ 12823 public static final int NO_UID = -1; 12824 12825 /** URI referencing where the package was downloaded from. */ 12826 final Uri originatingUri; 12827 12828 /** HTTP referrer URI associated with the originatingURI. */ 12829 final Uri referrer; 12830 12831 /** UID of the application that the install request originated from. */ 12832 final int originatingUid; 12833 12834 /** UID of application requesting the install */ 12835 final int installerUid; 12836 12837 VerificationInfo(Uri originatingUri, Uri referrer, int originatingUid, int installerUid) { 12838 this.originatingUri = originatingUri; 12839 this.referrer = referrer; 12840 this.originatingUid = originatingUid; 12841 this.installerUid = installerUid; 12842 } 12843 } 12844 12845 class InstallParams extends HandlerParams { 12846 final OriginInfo origin; 12847 final MoveInfo move; 12848 final IPackageInstallObserver2 observer; 12849 int installFlags; 12850 final String installerPackageName; 12851 final String volumeUuid; 12852 private InstallArgs mArgs; 12853 private int mRet; 12854 final String packageAbiOverride; 12855 final String[] grantedRuntimePermissions; 12856 final VerificationInfo verificationInfo; 12857 final Certificate[][] certificates; 12858 12859 InstallParams(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 12860 int installFlags, String installerPackageName, String volumeUuid, 12861 VerificationInfo verificationInfo, UserHandle user, String packageAbiOverride, 12862 String[] grantedPermissions, Certificate[][] certificates) { 12863 super(user); 12864 this.origin = origin; 12865 this.move = move; 12866 this.observer = observer; 12867 this.installFlags = installFlags; 12868 this.installerPackageName = installerPackageName; 12869 this.volumeUuid = volumeUuid; 12870 this.verificationInfo = verificationInfo; 12871 this.packageAbiOverride = packageAbiOverride; 12872 this.grantedRuntimePermissions = grantedPermissions; 12873 this.certificates = certificates; 12874 } 12875 12876 @Override 12877 public String toString() { 12878 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 12879 + " file=" + origin.file + " cid=" + origin.cid + "}"; 12880 } 12881 12882 private int installLocationPolicy(PackageInfoLite pkgLite) { 12883 String packageName = pkgLite.packageName; 12884 int installLocation = pkgLite.installLocation; 12885 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 12886 // reader 12887 synchronized (mPackages) { 12888 // Currently installed package which the new package is attempting to replace or 12889 // null if no such package is installed. 12890 PackageParser.Package installedPkg = mPackages.get(packageName); 12891 // Package which currently owns the data which the new package will own if installed. 12892 // If an app is unstalled while keeping data (e.g., adb uninstall -k), installedPkg 12893 // will be null whereas dataOwnerPkg will contain information about the package 12894 // which was uninstalled while keeping its data. 12895 PackageParser.Package dataOwnerPkg = installedPkg; 12896 if (dataOwnerPkg == null) { 12897 PackageSetting ps = mSettings.mPackages.get(packageName); 12898 if (ps != null) { 12899 dataOwnerPkg = ps.pkg; 12900 } 12901 } 12902 12903 if (dataOwnerPkg != null) { 12904 // If installed, the package will get access to data left on the device by its 12905 // predecessor. As a security measure, this is permited only if this is not a 12906 // version downgrade or if the predecessor package is marked as debuggable and 12907 // a downgrade is explicitly requested. 12908 // 12909 // On debuggable platform builds, downgrades are permitted even for 12910 // non-debuggable packages to make testing easier. Debuggable platform builds do 12911 // not offer security guarantees and thus it's OK to disable some security 12912 // mechanisms to make debugging/testing easier on those builds. However, even on 12913 // debuggable builds downgrades of packages are permitted only if requested via 12914 // installFlags. This is because we aim to keep the behavior of debuggable 12915 // platform builds as close as possible to the behavior of non-debuggable 12916 // platform builds. 12917 final boolean downgradeRequested = 12918 (installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) != 0; 12919 final boolean packageDebuggable = 12920 (dataOwnerPkg.applicationInfo.flags 12921 & ApplicationInfo.FLAG_DEBUGGABLE) != 0; 12922 final boolean downgradePermitted = 12923 (downgradeRequested) && ((Build.IS_DEBUGGABLE) || (packageDebuggable)); 12924 if (!downgradePermitted) { 12925 try { 12926 checkDowngrade(dataOwnerPkg, pkgLite); 12927 } catch (PackageManagerException e) { 12928 Slog.w(TAG, "Downgrade detected: " + e.getMessage()); 12929 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 12930 } 12931 } 12932 } 12933 12934 if (installedPkg != null) { 12935 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 12936 // Check for updated system application. 12937 if ((installedPkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 12938 if (onSd) { 12939 Slog.w(TAG, "Cannot install update to system app on sdcard"); 12940 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 12941 } 12942 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12943 } else { 12944 if (onSd) { 12945 // Install flag overrides everything. 12946 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12947 } 12948 // If current upgrade specifies particular preference 12949 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 12950 // Application explicitly specified internal. 12951 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12952 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 12953 // App explictly prefers external. Let policy decide 12954 } else { 12955 // Prefer previous location 12956 if (isExternal(installedPkg)) { 12957 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12958 } 12959 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12960 } 12961 } 12962 } else { 12963 // Invalid install. Return error code 12964 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 12965 } 12966 } 12967 } 12968 // All the special cases have been taken care of. 12969 // Return result based on recommended install location. 12970 if (onSd) { 12971 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12972 } 12973 return pkgLite.recommendedInstallLocation; 12974 } 12975 12976 /* 12977 * Invoke remote method to get package information and install 12978 * location values. Override install location based on default 12979 * policy if needed and then create install arguments based 12980 * on the install location. 12981 */ 12982 public void handleStartCopy() throws RemoteException { 12983 int ret = PackageManager.INSTALL_SUCCEEDED; 12984 12985 // If we're already staged, we've firmly committed to an install location 12986 if (origin.staged) { 12987 if (origin.file != null) { 12988 installFlags |= PackageManager.INSTALL_INTERNAL; 12989 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 12990 } else if (origin.cid != null) { 12991 installFlags |= PackageManager.INSTALL_EXTERNAL; 12992 installFlags &= ~PackageManager.INSTALL_INTERNAL; 12993 } else { 12994 throw new IllegalStateException("Invalid stage location"); 12995 } 12996 } 12997 12998 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 12999 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 13000 final boolean ephemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 13001 PackageInfoLite pkgLite = null; 13002 13003 if (onInt && onSd) { 13004 // Check if both bits are set. 13005 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 13006 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 13007 } else if (onSd && ephemeral) { 13008 Slog.w(TAG, "Conflicting flags specified for installing ephemeral on external"); 13009 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 13010 } else { 13011 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 13012 packageAbiOverride); 13013 13014 if (DEBUG_EPHEMERAL && ephemeral) { 13015 Slog.v(TAG, "pkgLite for install: " + pkgLite); 13016 } 13017 13018 /* 13019 * If we have too little free space, try to free cache 13020 * before giving up. 13021 */ 13022 if (!origin.staged && pkgLite.recommendedInstallLocation 13023 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 13024 // TODO: focus freeing disk space on the target device 13025 final StorageManager storage = StorageManager.from(mContext); 13026 final long lowThreshold = storage.getStorageLowBytes( 13027 Environment.getDataDirectory()); 13028 13029 final long sizeBytes = mContainerService.calculateInstalledSize( 13030 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 13031 13032 try { 13033 mInstaller.freeCache(null, sizeBytes + lowThreshold, 0); 13034 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 13035 installFlags, packageAbiOverride); 13036 } catch (InstallerException e) { 13037 Slog.w(TAG, "Failed to free cache", e); 13038 } 13039 13040 /* 13041 * The cache free must have deleted the file we 13042 * downloaded to install. 13043 * 13044 * TODO: fix the "freeCache" call to not delete 13045 * the file we care about. 13046 */ 13047 if (pkgLite.recommendedInstallLocation 13048 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 13049 pkgLite.recommendedInstallLocation 13050 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 13051 } 13052 } 13053 } 13054 13055 if (ret == PackageManager.INSTALL_SUCCEEDED) { 13056 int loc = pkgLite.recommendedInstallLocation; 13057 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 13058 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 13059 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 13060 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 13061 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 13062 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 13063 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 13064 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 13065 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 13066 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 13067 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 13068 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 13069 } else { 13070 // Override with defaults if needed. 13071 loc = installLocationPolicy(pkgLite); 13072 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 13073 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 13074 } else if (!onSd && !onInt) { 13075 // Override install location with flags 13076 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 13077 // Set the flag to install on external media. 13078 installFlags |= PackageManager.INSTALL_EXTERNAL; 13079 installFlags &= ~PackageManager.INSTALL_INTERNAL; 13080 } else if (loc == PackageHelper.RECOMMEND_INSTALL_EPHEMERAL) { 13081 if (DEBUG_EPHEMERAL) { 13082 Slog.v(TAG, "...setting INSTALL_EPHEMERAL install flag"); 13083 } 13084 installFlags |= PackageManager.INSTALL_EPHEMERAL; 13085 installFlags &= ~(PackageManager.INSTALL_EXTERNAL 13086 |PackageManager.INSTALL_INTERNAL); 13087 } else { 13088 // Make sure the flag for installing on external 13089 // media is unset 13090 installFlags |= PackageManager.INSTALL_INTERNAL; 13091 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 13092 } 13093 } 13094 } 13095 } 13096 13097 final InstallArgs args = createInstallArgs(this); 13098 mArgs = args; 13099 13100 if (ret == PackageManager.INSTALL_SUCCEEDED) { 13101 // TODO: http://b/22976637 13102 // Apps installed for "all" users use the device owner to verify the app 13103 UserHandle verifierUser = getUser(); 13104 if (verifierUser == UserHandle.ALL) { 13105 verifierUser = UserHandle.SYSTEM; 13106 } 13107 13108 /* 13109 * Determine if we have any installed package verifiers. If we 13110 * do, then we'll defer to them to verify the packages. 13111 */ 13112 final int requiredUid = mRequiredVerifierPackage == null ? -1 13113 : getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 13114 verifierUser.getIdentifier()); 13115 if (!origin.existing && requiredUid != -1 13116 && isVerificationEnabled(verifierUser.getIdentifier(), installFlags)) { 13117 final Intent verification = new Intent( 13118 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 13119 verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 13120 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 13121 PACKAGE_MIME_TYPE); 13122 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 13123 13124 // Query all live verifiers based on current user state 13125 final List<ResolveInfo> receivers = queryIntentReceiversInternal(verification, 13126 PACKAGE_MIME_TYPE, 0, verifierUser.getIdentifier()); 13127 13128 if (DEBUG_VERIFY) { 13129 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 13130 + verification.toString() + " with " + pkgLite.verifiers.length 13131 + " optional verifiers"); 13132 } 13133 13134 final int verificationId = mPendingVerificationToken++; 13135 13136 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 13137 13138 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 13139 installerPackageName); 13140 13141 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 13142 installFlags); 13143 13144 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 13145 pkgLite.packageName); 13146 13147 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 13148 pkgLite.versionCode); 13149 13150 if (verificationInfo != null) { 13151 if (verificationInfo.originatingUri != null) { 13152 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 13153 verificationInfo.originatingUri); 13154 } 13155 if (verificationInfo.referrer != null) { 13156 verification.putExtra(Intent.EXTRA_REFERRER, 13157 verificationInfo.referrer); 13158 } 13159 if (verificationInfo.originatingUid >= 0) { 13160 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 13161 verificationInfo.originatingUid); 13162 } 13163 if (verificationInfo.installerUid >= 0) { 13164 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 13165 verificationInfo.installerUid); 13166 } 13167 } 13168 13169 final PackageVerificationState verificationState = new PackageVerificationState( 13170 requiredUid, args); 13171 13172 mPendingVerification.append(verificationId, verificationState); 13173 13174 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 13175 receivers, verificationState); 13176 13177 /* 13178 * If any sufficient verifiers were listed in the package 13179 * manifest, attempt to ask them. 13180 */ 13181 if (sufficientVerifiers != null) { 13182 final int N = sufficientVerifiers.size(); 13183 if (N == 0) { 13184 Slog.i(TAG, "Additional verifiers required, but none installed."); 13185 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 13186 } else { 13187 for (int i = 0; i < N; i++) { 13188 final ComponentName verifierComponent = sufficientVerifiers.get(i); 13189 13190 final Intent sufficientIntent = new Intent(verification); 13191 sufficientIntent.setComponent(verifierComponent); 13192 mContext.sendBroadcastAsUser(sufficientIntent, verifierUser); 13193 } 13194 } 13195 } 13196 13197 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 13198 mRequiredVerifierPackage, receivers); 13199 if (ret == PackageManager.INSTALL_SUCCEEDED 13200 && mRequiredVerifierPackage != null) { 13201 Trace.asyncTraceBegin( 13202 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 13203 /* 13204 * Send the intent to the required verification agent, 13205 * but only start the verification timeout after the 13206 * target BroadcastReceivers have run. 13207 */ 13208 verification.setComponent(requiredVerifierComponent); 13209 mContext.sendOrderedBroadcastAsUser(verification, verifierUser, 13210 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 13211 new BroadcastReceiver() { 13212 @Override 13213 public void onReceive(Context context, Intent intent) { 13214 final Message msg = mHandler 13215 .obtainMessage(CHECK_PENDING_VERIFICATION); 13216 msg.arg1 = verificationId; 13217 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 13218 } 13219 }, null, 0, null, null); 13220 13221 /* 13222 * We don't want the copy to proceed until verification 13223 * succeeds, so null out this field. 13224 */ 13225 mArgs = null; 13226 } 13227 } else { 13228 /* 13229 * No package verification is enabled, so immediately start 13230 * the remote call to initiate copy using temporary file. 13231 */ 13232 ret = args.copyApk(mContainerService, true); 13233 } 13234 } 13235 13236 mRet = ret; 13237 } 13238 13239 @Override 13240 void handleReturnCode() { 13241 // If mArgs is null, then MCS couldn't be reached. When it 13242 // reconnects, it will try again to install. At that point, this 13243 // will succeed. 13244 if (mArgs != null) { 13245 processPendingInstall(mArgs, mRet); 13246 } 13247 } 13248 13249 @Override 13250 void handleServiceError() { 13251 mArgs = createInstallArgs(this); 13252 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 13253 } 13254 13255 public boolean isForwardLocked() { 13256 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 13257 } 13258 } 13259 13260 /** 13261 * Used during creation of InstallArgs 13262 * 13263 * @param installFlags package installation flags 13264 * @return true if should be installed on external storage 13265 */ 13266 private static boolean installOnExternalAsec(int installFlags) { 13267 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 13268 return false; 13269 } 13270 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 13271 return true; 13272 } 13273 return false; 13274 } 13275 13276 /** 13277 * Used during creation of InstallArgs 13278 * 13279 * @param installFlags package installation flags 13280 * @return true if should be installed as forward locked 13281 */ 13282 private static boolean installForwardLocked(int installFlags) { 13283 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 13284 } 13285 13286 private InstallArgs createInstallArgs(InstallParams params) { 13287 if (params.move != null) { 13288 return new MoveInstallArgs(params); 13289 } else if (installOnExternalAsec(params.installFlags) || params.isForwardLocked()) { 13290 return new AsecInstallArgs(params); 13291 } else { 13292 return new FileInstallArgs(params); 13293 } 13294 } 13295 13296 /** 13297 * Create args that describe an existing installed package. Typically used 13298 * when cleaning up old installs, or used as a move source. 13299 */ 13300 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 13301 String resourcePath, String[] instructionSets) { 13302 final boolean isInAsec; 13303 if (installOnExternalAsec(installFlags)) { 13304 /* Apps on SD card are always in ASEC containers. */ 13305 isInAsec = true; 13306 } else if (installForwardLocked(installFlags) 13307 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 13308 /* 13309 * Forward-locked apps are only in ASEC containers if they're the 13310 * new style 13311 */ 13312 isInAsec = true; 13313 } else { 13314 isInAsec = false; 13315 } 13316 13317 if (isInAsec) { 13318 return new AsecInstallArgs(codePath, instructionSets, 13319 installOnExternalAsec(installFlags), installForwardLocked(installFlags)); 13320 } else { 13321 return new FileInstallArgs(codePath, resourcePath, instructionSets); 13322 } 13323 } 13324 13325 static abstract class InstallArgs { 13326 /** @see InstallParams#origin */ 13327 final OriginInfo origin; 13328 /** @see InstallParams#move */ 13329 final MoveInfo move; 13330 13331 final IPackageInstallObserver2 observer; 13332 // Always refers to PackageManager flags only 13333 final int installFlags; 13334 final String installerPackageName; 13335 final String volumeUuid; 13336 final UserHandle user; 13337 final String abiOverride; 13338 final String[] installGrantPermissions; 13339 /** If non-null, drop an async trace when the install completes */ 13340 final String traceMethod; 13341 final int traceCookie; 13342 final Certificate[][] certificates; 13343 13344 // The list of instruction sets supported by this app. This is currently 13345 // only used during the rmdex() phase to clean up resources. We can get rid of this 13346 // if we move dex files under the common app path. 13347 /* nullable */ String[] instructionSets; 13348 13349 InstallArgs(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 13350 int installFlags, String installerPackageName, String volumeUuid, 13351 UserHandle user, String[] instructionSets, 13352 String abiOverride, String[] installGrantPermissions, 13353 String traceMethod, int traceCookie, Certificate[][] certificates) { 13354 this.origin = origin; 13355 this.move = move; 13356 this.installFlags = installFlags; 13357 this.observer = observer; 13358 this.installerPackageName = installerPackageName; 13359 this.volumeUuid = volumeUuid; 13360 this.user = user; 13361 this.instructionSets = instructionSets; 13362 this.abiOverride = abiOverride; 13363 this.installGrantPermissions = installGrantPermissions; 13364 this.traceMethod = traceMethod; 13365 this.traceCookie = traceCookie; 13366 this.certificates = certificates; 13367 } 13368 13369 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 13370 abstract int doPreInstall(int status); 13371 13372 /** 13373 * Rename package into final resting place. All paths on the given 13374 * scanned package should be updated to reflect the rename. 13375 */ 13376 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 13377 abstract int doPostInstall(int status, int uid); 13378 13379 /** @see PackageSettingBase#codePathString */ 13380 abstract String getCodePath(); 13381 /** @see PackageSettingBase#resourcePathString */ 13382 abstract String getResourcePath(); 13383 13384 // Need installer lock especially for dex file removal. 13385 abstract void cleanUpResourcesLI(); 13386 abstract boolean doPostDeleteLI(boolean delete); 13387 13388 /** 13389 * Called before the source arguments are copied. This is used mostly 13390 * for MoveParams when it needs to read the source file to put it in the 13391 * destination. 13392 */ 13393 int doPreCopy() { 13394 return PackageManager.INSTALL_SUCCEEDED; 13395 } 13396 13397 /** 13398 * Called after the source arguments are copied. This is used mostly for 13399 * MoveParams when it needs to read the source file to put it in the 13400 * destination. 13401 */ 13402 int doPostCopy(int uid) { 13403 return PackageManager.INSTALL_SUCCEEDED; 13404 } 13405 13406 protected boolean isFwdLocked() { 13407 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 13408 } 13409 13410 protected boolean isExternalAsec() { 13411 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 13412 } 13413 13414 protected boolean isEphemeral() { 13415 return (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 13416 } 13417 13418 UserHandle getUser() { 13419 return user; 13420 } 13421 } 13422 13423 private void removeDexFiles(List<String> allCodePaths, String[] instructionSets) { 13424 if (!allCodePaths.isEmpty()) { 13425 if (instructionSets == null) { 13426 throw new IllegalStateException("instructionSet == null"); 13427 } 13428 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 13429 for (String codePath : allCodePaths) { 13430 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 13431 try { 13432 mInstaller.rmdex(codePath, dexCodeInstructionSet); 13433 } catch (InstallerException ignored) { 13434 } 13435 } 13436 } 13437 } 13438 } 13439 13440 /** 13441 * Logic to handle installation of non-ASEC applications, including copying 13442 * and renaming logic. 13443 */ 13444 class FileInstallArgs extends InstallArgs { 13445 private File codeFile; 13446 private File resourceFile; 13447 13448 // Example topology: 13449 // /data/app/com.example/base.apk 13450 // /data/app/com.example/split_foo.apk 13451 // /data/app/com.example/lib/arm/libfoo.so 13452 // /data/app/com.example/lib/arm64/libfoo.so 13453 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 13454 13455 /** New install */ 13456 FileInstallArgs(InstallParams params) { 13457 super(params.origin, params.move, params.observer, params.installFlags, 13458 params.installerPackageName, params.volumeUuid, 13459 params.getUser(), null /*instructionSets*/, params.packageAbiOverride, 13460 params.grantedRuntimePermissions, 13461 params.traceMethod, params.traceCookie, params.certificates); 13462 if (isFwdLocked()) { 13463 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 13464 } 13465 } 13466 13467 /** Existing install */ 13468 FileInstallArgs(String codePath, String resourcePath, String[] instructionSets) { 13469 super(OriginInfo.fromNothing(), null, null, 0, null, null, null, instructionSets, 13470 null, null, null, 0, null /*certificates*/); 13471 this.codeFile = (codePath != null) ? new File(codePath) : null; 13472 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 13473 } 13474 13475 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13476 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyApk"); 13477 try { 13478 return doCopyApk(imcs, temp); 13479 } finally { 13480 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13481 } 13482 } 13483 13484 private int doCopyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13485 if (origin.staged) { 13486 if (DEBUG_INSTALL) Slog.d(TAG, origin.file + " already staged; skipping copy"); 13487 codeFile = origin.file; 13488 resourceFile = origin.file; 13489 return PackageManager.INSTALL_SUCCEEDED; 13490 } 13491 13492 try { 13493 final boolean isEphemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 13494 final File tempDir = 13495 mInstallerService.allocateStageDirLegacy(volumeUuid, isEphemeral); 13496 codeFile = tempDir; 13497 resourceFile = tempDir; 13498 } catch (IOException e) { 13499 Slog.w(TAG, "Failed to create copy file: " + e); 13500 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 13501 } 13502 13503 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 13504 @Override 13505 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 13506 if (!FileUtils.isValidExtFilename(name)) { 13507 throw new IllegalArgumentException("Invalid filename: " + name); 13508 } 13509 try { 13510 final File file = new File(codeFile, name); 13511 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 13512 O_RDWR | O_CREAT, 0644); 13513 Os.chmod(file.getAbsolutePath(), 0644); 13514 return new ParcelFileDescriptor(fd); 13515 } catch (ErrnoException e) { 13516 throw new RemoteException("Failed to open: " + e.getMessage()); 13517 } 13518 } 13519 }; 13520 13521 int ret = PackageManager.INSTALL_SUCCEEDED; 13522 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 13523 if (ret != PackageManager.INSTALL_SUCCEEDED) { 13524 Slog.e(TAG, "Failed to copy package"); 13525 return ret; 13526 } 13527 13528 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 13529 NativeLibraryHelper.Handle handle = null; 13530 try { 13531 handle = NativeLibraryHelper.Handle.create(codeFile); 13532 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 13533 abiOverride); 13534 } catch (IOException e) { 13535 Slog.e(TAG, "Copying native libraries failed", e); 13536 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 13537 } finally { 13538 IoUtils.closeQuietly(handle); 13539 } 13540 13541 return ret; 13542 } 13543 13544 int doPreInstall(int status) { 13545 if (status != PackageManager.INSTALL_SUCCEEDED) { 13546 cleanUp(); 13547 } 13548 return status; 13549 } 13550 13551 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13552 if (status != PackageManager.INSTALL_SUCCEEDED) { 13553 cleanUp(); 13554 return false; 13555 } 13556 13557 final File targetDir = codeFile.getParentFile(); 13558 final File beforeCodeFile = codeFile; 13559 final File afterCodeFile = getNextCodePath(targetDir, pkg.packageName); 13560 13561 if (DEBUG_INSTALL) Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 13562 try { 13563 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 13564 } catch (ErrnoException e) { 13565 Slog.w(TAG, "Failed to rename", e); 13566 return false; 13567 } 13568 13569 if (!SELinux.restoreconRecursive(afterCodeFile)) { 13570 Slog.w(TAG, "Failed to restorecon"); 13571 return false; 13572 } 13573 13574 // Reflect the rename internally 13575 codeFile = afterCodeFile; 13576 resourceFile = afterCodeFile; 13577 13578 // Reflect the rename in scanned details 13579 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 13580 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 13581 afterCodeFile, pkg.baseCodePath)); 13582 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 13583 afterCodeFile, pkg.splitCodePaths)); 13584 13585 // Reflect the rename in app info 13586 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13587 pkg.setApplicationInfoCodePath(pkg.codePath); 13588 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13589 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13590 pkg.setApplicationInfoResourcePath(pkg.codePath); 13591 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13592 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13593 13594 return true; 13595 } 13596 13597 int doPostInstall(int status, int uid) { 13598 if (status != PackageManager.INSTALL_SUCCEEDED) { 13599 cleanUp(); 13600 } 13601 return status; 13602 } 13603 13604 @Override 13605 String getCodePath() { 13606 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 13607 } 13608 13609 @Override 13610 String getResourcePath() { 13611 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 13612 } 13613 13614 private boolean cleanUp() { 13615 if (codeFile == null || !codeFile.exists()) { 13616 return false; 13617 } 13618 13619 removeCodePathLI(codeFile); 13620 13621 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 13622 resourceFile.delete(); 13623 } 13624 13625 return true; 13626 } 13627 13628 void cleanUpResourcesLI() { 13629 // Try enumerating all code paths before deleting 13630 List<String> allCodePaths = Collections.EMPTY_LIST; 13631 if (codeFile != null && codeFile.exists()) { 13632 try { 13633 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 13634 allCodePaths = pkg.getAllCodePaths(); 13635 } catch (PackageParserException e) { 13636 // Ignored; we tried our best 13637 } 13638 } 13639 13640 cleanUp(); 13641 removeDexFiles(allCodePaths, instructionSets); 13642 } 13643 13644 boolean doPostDeleteLI(boolean delete) { 13645 // XXX err, shouldn't we respect the delete flag? 13646 cleanUpResourcesLI(); 13647 return true; 13648 } 13649 } 13650 13651 private boolean isAsecExternal(String cid) { 13652 final String asecPath = PackageHelper.getSdFilesystem(cid); 13653 return !asecPath.startsWith(mAsecInternalPath); 13654 } 13655 13656 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 13657 PackageManagerException { 13658 if (copyRet < 0) { 13659 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 13660 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 13661 throw new PackageManagerException(copyRet, message); 13662 } 13663 } 13664 } 13665 13666 /** 13667 * Extract the MountService "container ID" from the full code path of an 13668 * .apk. 13669 */ 13670 static String cidFromCodePath(String fullCodePath) { 13671 int eidx = fullCodePath.lastIndexOf("/"); 13672 String subStr1 = fullCodePath.substring(0, eidx); 13673 int sidx = subStr1.lastIndexOf("/"); 13674 return subStr1.substring(sidx+1, eidx); 13675 } 13676 13677 /** 13678 * Logic to handle installation of ASEC applications, including copying and 13679 * renaming logic. 13680 */ 13681 class AsecInstallArgs extends InstallArgs { 13682 static final String RES_FILE_NAME = "pkg.apk"; 13683 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 13684 13685 String cid; 13686 String packagePath; 13687 String resourcePath; 13688 13689 /** New install */ 13690 AsecInstallArgs(InstallParams params) { 13691 super(params.origin, params.move, params.observer, params.installFlags, 13692 params.installerPackageName, params.volumeUuid, 13693 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 13694 params.grantedRuntimePermissions, 13695 params.traceMethod, params.traceCookie, params.certificates); 13696 } 13697 13698 /** Existing install */ 13699 AsecInstallArgs(String fullCodePath, String[] instructionSets, 13700 boolean isExternal, boolean isForwardLocked) { 13701 super(OriginInfo.fromNothing(), null, null, (isExternal ? INSTALL_EXTERNAL : 0) 13702 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 13703 instructionSets, null, null, null, 0, null /*certificates*/); 13704 // Hackily pretend we're still looking at a full code path 13705 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 13706 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 13707 } 13708 13709 // Extract cid from fullCodePath 13710 int eidx = fullCodePath.lastIndexOf("/"); 13711 String subStr1 = fullCodePath.substring(0, eidx); 13712 int sidx = subStr1.lastIndexOf("/"); 13713 cid = subStr1.substring(sidx+1, eidx); 13714 setMountPath(subStr1); 13715 } 13716 13717 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 13718 super(OriginInfo.fromNothing(), null, null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 13719 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 13720 instructionSets, null, null, null, 0, null /*certificates*/); 13721 this.cid = cid; 13722 setMountPath(PackageHelper.getSdDir(cid)); 13723 } 13724 13725 void createCopyFile() { 13726 cid = mInstallerService.allocateExternalStageCidLegacy(); 13727 } 13728 13729 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13730 if (origin.staged && origin.cid != null) { 13731 if (DEBUG_INSTALL) Slog.d(TAG, origin.cid + " already staged; skipping copy"); 13732 cid = origin.cid; 13733 setMountPath(PackageHelper.getSdDir(cid)); 13734 return PackageManager.INSTALL_SUCCEEDED; 13735 } 13736 13737 if (temp) { 13738 createCopyFile(); 13739 } else { 13740 /* 13741 * Pre-emptively destroy the container since it's destroyed if 13742 * copying fails due to it existing anyway. 13743 */ 13744 PackageHelper.destroySdDir(cid); 13745 } 13746 13747 final String newMountPath = imcs.copyPackageToContainer( 13748 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternalAsec(), 13749 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 13750 13751 if (newMountPath != null) { 13752 setMountPath(newMountPath); 13753 return PackageManager.INSTALL_SUCCEEDED; 13754 } else { 13755 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13756 } 13757 } 13758 13759 @Override 13760 String getCodePath() { 13761 return packagePath; 13762 } 13763 13764 @Override 13765 String getResourcePath() { 13766 return resourcePath; 13767 } 13768 13769 int doPreInstall(int status) { 13770 if (status != PackageManager.INSTALL_SUCCEEDED) { 13771 // Destroy container 13772 PackageHelper.destroySdDir(cid); 13773 } else { 13774 boolean mounted = PackageHelper.isContainerMounted(cid); 13775 if (!mounted) { 13776 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 13777 Process.SYSTEM_UID); 13778 if (newMountPath != null) { 13779 setMountPath(newMountPath); 13780 } else { 13781 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13782 } 13783 } 13784 } 13785 return status; 13786 } 13787 13788 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13789 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 13790 String newMountPath = null; 13791 if (PackageHelper.isContainerMounted(cid)) { 13792 // Unmount the container 13793 if (!PackageHelper.unMountSdDir(cid)) { 13794 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 13795 return false; 13796 } 13797 } 13798 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 13799 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 13800 " which might be stale. Will try to clean up."); 13801 // Clean up the stale container and proceed to recreate. 13802 if (!PackageHelper.destroySdDir(newCacheId)) { 13803 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 13804 return false; 13805 } 13806 // Successfully cleaned up stale container. Try to rename again. 13807 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 13808 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 13809 + " inspite of cleaning it up."); 13810 return false; 13811 } 13812 } 13813 if (!PackageHelper.isContainerMounted(newCacheId)) { 13814 Slog.w(TAG, "Mounting container " + newCacheId); 13815 newMountPath = PackageHelper.mountSdDir(newCacheId, 13816 getEncryptKey(), Process.SYSTEM_UID); 13817 } else { 13818 newMountPath = PackageHelper.getSdDir(newCacheId); 13819 } 13820 if (newMountPath == null) { 13821 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 13822 return false; 13823 } 13824 Log.i(TAG, "Succesfully renamed " + cid + 13825 " to " + newCacheId + 13826 " at new path: " + newMountPath); 13827 cid = newCacheId; 13828 13829 final File beforeCodeFile = new File(packagePath); 13830 setMountPath(newMountPath); 13831 final File afterCodeFile = new File(packagePath); 13832 13833 // Reflect the rename in scanned details 13834 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 13835 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 13836 afterCodeFile, pkg.baseCodePath)); 13837 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 13838 afterCodeFile, pkg.splitCodePaths)); 13839 13840 // Reflect the rename in app info 13841 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13842 pkg.setApplicationInfoCodePath(pkg.codePath); 13843 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13844 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13845 pkg.setApplicationInfoResourcePath(pkg.codePath); 13846 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13847 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13848 13849 return true; 13850 } 13851 13852 private void setMountPath(String mountPath) { 13853 final File mountFile = new File(mountPath); 13854 13855 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 13856 if (monolithicFile.exists()) { 13857 packagePath = monolithicFile.getAbsolutePath(); 13858 if (isFwdLocked()) { 13859 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 13860 } else { 13861 resourcePath = packagePath; 13862 } 13863 } else { 13864 packagePath = mountFile.getAbsolutePath(); 13865 resourcePath = packagePath; 13866 } 13867 } 13868 13869 int doPostInstall(int status, int uid) { 13870 if (status != PackageManager.INSTALL_SUCCEEDED) { 13871 cleanUp(); 13872 } else { 13873 final int groupOwner; 13874 final String protectedFile; 13875 if (isFwdLocked()) { 13876 groupOwner = UserHandle.getSharedAppGid(uid); 13877 protectedFile = RES_FILE_NAME; 13878 } else { 13879 groupOwner = -1; 13880 protectedFile = null; 13881 } 13882 13883 if (uid < Process.FIRST_APPLICATION_UID 13884 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 13885 Slog.e(TAG, "Failed to finalize " + cid); 13886 PackageHelper.destroySdDir(cid); 13887 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13888 } 13889 13890 boolean mounted = PackageHelper.isContainerMounted(cid); 13891 if (!mounted) { 13892 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 13893 } 13894 } 13895 return status; 13896 } 13897 13898 private void cleanUp() { 13899 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 13900 13901 // Destroy secure container 13902 PackageHelper.destroySdDir(cid); 13903 } 13904 13905 private List<String> getAllCodePaths() { 13906 final File codeFile = new File(getCodePath()); 13907 if (codeFile != null && codeFile.exists()) { 13908 try { 13909 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 13910 return pkg.getAllCodePaths(); 13911 } catch (PackageParserException e) { 13912 // Ignored; we tried our best 13913 } 13914 } 13915 return Collections.EMPTY_LIST; 13916 } 13917 13918 void cleanUpResourcesLI() { 13919 // Enumerate all code paths before deleting 13920 cleanUpResourcesLI(getAllCodePaths()); 13921 } 13922 13923 private void cleanUpResourcesLI(List<String> allCodePaths) { 13924 cleanUp(); 13925 removeDexFiles(allCodePaths, instructionSets); 13926 } 13927 13928 String getPackageName() { 13929 return getAsecPackageName(cid); 13930 } 13931 13932 boolean doPostDeleteLI(boolean delete) { 13933 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 13934 final List<String> allCodePaths = getAllCodePaths(); 13935 boolean mounted = PackageHelper.isContainerMounted(cid); 13936 if (mounted) { 13937 // Unmount first 13938 if (PackageHelper.unMountSdDir(cid)) { 13939 mounted = false; 13940 } 13941 } 13942 if (!mounted && delete) { 13943 cleanUpResourcesLI(allCodePaths); 13944 } 13945 return !mounted; 13946 } 13947 13948 @Override 13949 int doPreCopy() { 13950 if (isFwdLocked()) { 13951 if (!PackageHelper.fixSdPermissions(cid, getPackageUid(DEFAULT_CONTAINER_PACKAGE, 13952 MATCH_SYSTEM_ONLY, UserHandle.USER_SYSTEM), RES_FILE_NAME)) { 13953 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13954 } 13955 } 13956 13957 return PackageManager.INSTALL_SUCCEEDED; 13958 } 13959 13960 @Override 13961 int doPostCopy(int uid) { 13962 if (isFwdLocked()) { 13963 if (uid < Process.FIRST_APPLICATION_UID 13964 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 13965 RES_FILE_NAME)) { 13966 Slog.e(TAG, "Failed to finalize " + cid); 13967 PackageHelper.destroySdDir(cid); 13968 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13969 } 13970 } 13971 13972 return PackageManager.INSTALL_SUCCEEDED; 13973 } 13974 } 13975 13976 /** 13977 * Logic to handle movement of existing installed applications. 13978 */ 13979 class MoveInstallArgs extends InstallArgs { 13980 private File codeFile; 13981 private File resourceFile; 13982 13983 /** New install */ 13984 MoveInstallArgs(InstallParams params) { 13985 super(params.origin, params.move, params.observer, params.installFlags, 13986 params.installerPackageName, params.volumeUuid, 13987 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 13988 params.grantedRuntimePermissions, 13989 params.traceMethod, params.traceCookie, params.certificates); 13990 } 13991 13992 int copyApk(IMediaContainerService imcs, boolean temp) { 13993 if (DEBUG_INSTALL) Slog.d(TAG, "Moving " + move.packageName + " from " 13994 + move.fromUuid + " to " + move.toUuid); 13995 synchronized (mInstaller) { 13996 try { 13997 mInstaller.moveCompleteApp(move.fromUuid, move.toUuid, move.packageName, 13998 move.dataAppName, move.appId, move.seinfo, move.targetSdkVersion); 13999 } catch (InstallerException e) { 14000 Slog.w(TAG, "Failed to move app", e); 14001 return PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 14002 } 14003 } 14004 14005 codeFile = new File(Environment.getDataAppDirectory(move.toUuid), move.dataAppName); 14006 resourceFile = codeFile; 14007 if (DEBUG_INSTALL) Slog.d(TAG, "codeFile after move is " + codeFile); 14008 14009 return PackageManager.INSTALL_SUCCEEDED; 14010 } 14011 14012 int doPreInstall(int status) { 14013 if (status != PackageManager.INSTALL_SUCCEEDED) { 14014 cleanUp(move.toUuid); 14015 } 14016 return status; 14017 } 14018 14019 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 14020 if (status != PackageManager.INSTALL_SUCCEEDED) { 14021 cleanUp(move.toUuid); 14022 return false; 14023 } 14024 14025 // Reflect the move in app info 14026 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 14027 pkg.setApplicationInfoCodePath(pkg.codePath); 14028 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 14029 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 14030 pkg.setApplicationInfoResourcePath(pkg.codePath); 14031 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 14032 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 14033 14034 return true; 14035 } 14036 14037 int doPostInstall(int status, int uid) { 14038 if (status == PackageManager.INSTALL_SUCCEEDED) { 14039 cleanUp(move.fromUuid); 14040 } else { 14041 cleanUp(move.toUuid); 14042 } 14043 return status; 14044 } 14045 14046 @Override 14047 String getCodePath() { 14048 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 14049 } 14050 14051 @Override 14052 String getResourcePath() { 14053 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 14054 } 14055 14056 private boolean cleanUp(String volumeUuid) { 14057 final File codeFile = new File(Environment.getDataAppDirectory(volumeUuid), 14058 move.dataAppName); 14059 Slog.d(TAG, "Cleaning up " + move.packageName + " on " + volumeUuid); 14060 final int[] userIds = sUserManager.getUserIds(); 14061 synchronized (mInstallLock) { 14062 // Clean up both app data and code 14063 // All package moves are frozen until finished 14064 for (int userId : userIds) { 14065 try { 14066 mInstaller.destroyAppData(volumeUuid, move.packageName, userId, 14067 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE, 0); 14068 } catch (InstallerException e) { 14069 Slog.w(TAG, String.valueOf(e)); 14070 } 14071 } 14072 removeCodePathLI(codeFile); 14073 } 14074 return true; 14075 } 14076 14077 void cleanUpResourcesLI() { 14078 throw new UnsupportedOperationException(); 14079 } 14080 14081 boolean doPostDeleteLI(boolean delete) { 14082 throw new UnsupportedOperationException(); 14083 } 14084 } 14085 14086 static String getAsecPackageName(String packageCid) { 14087 int idx = packageCid.lastIndexOf("-"); 14088 if (idx == -1) { 14089 return packageCid; 14090 } 14091 return packageCid.substring(0, idx); 14092 } 14093 14094 // Utility method used to create code paths based on package name and available index. 14095 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 14096 String idxStr = ""; 14097 int idx = 1; 14098 // Fall back to default value of idx=1 if prefix is not 14099 // part of oldCodePath 14100 if (oldCodePath != null) { 14101 String subStr = oldCodePath; 14102 // Drop the suffix right away 14103 if (suffix != null && subStr.endsWith(suffix)) { 14104 subStr = subStr.substring(0, subStr.length() - suffix.length()); 14105 } 14106 // If oldCodePath already contains prefix find out the 14107 // ending index to either increment or decrement. 14108 int sidx = subStr.lastIndexOf(prefix); 14109 if (sidx != -1) { 14110 subStr = subStr.substring(sidx + prefix.length()); 14111 if (subStr != null) { 14112 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 14113 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 14114 } 14115 try { 14116 idx = Integer.parseInt(subStr); 14117 if (idx <= 1) { 14118 idx++; 14119 } else { 14120 idx--; 14121 } 14122 } catch(NumberFormatException e) { 14123 } 14124 } 14125 } 14126 } 14127 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 14128 return prefix + idxStr; 14129 } 14130 14131 private File getNextCodePath(File targetDir, String packageName) { 14132 int suffix = 1; 14133 File result; 14134 do { 14135 result = new File(targetDir, packageName + "-" + suffix); 14136 suffix++; 14137 } while (result.exists()); 14138 return result; 14139 } 14140 14141 // Utility method that returns the relative package path with respect 14142 // to the installation directory. Like say for /data/data/com.test-1.apk 14143 // string com.test-1 is returned. 14144 static String deriveCodePathName(String codePath) { 14145 if (codePath == null) { 14146 return null; 14147 } 14148 final File codeFile = new File(codePath); 14149 final String name = codeFile.getName(); 14150 if (codeFile.isDirectory()) { 14151 return name; 14152 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 14153 final int lastDot = name.lastIndexOf('.'); 14154 return name.substring(0, lastDot); 14155 } else { 14156 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 14157 return null; 14158 } 14159 } 14160 14161 static class PackageInstalledInfo { 14162 String name; 14163 int uid; 14164 // The set of users that originally had this package installed. 14165 int[] origUsers; 14166 // The set of users that now have this package installed. 14167 int[] newUsers; 14168 PackageParser.Package pkg; 14169 int returnCode; 14170 String returnMsg; 14171 PackageRemovedInfo removedInfo; 14172 ArrayMap<String, PackageInstalledInfo> addedChildPackages; 14173 14174 public void setError(int code, String msg) { 14175 setReturnCode(code); 14176 setReturnMessage(msg); 14177 Slog.w(TAG, msg); 14178 } 14179 14180 public void setError(String msg, PackageParserException e) { 14181 setReturnCode(e.error); 14182 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 14183 Slog.w(TAG, msg, e); 14184 } 14185 14186 public void setError(String msg, PackageManagerException e) { 14187 returnCode = e.error; 14188 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 14189 Slog.w(TAG, msg, e); 14190 } 14191 14192 public void setReturnCode(int returnCode) { 14193 this.returnCode = returnCode; 14194 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 14195 for (int i = 0; i < childCount; i++) { 14196 addedChildPackages.valueAt(i).returnCode = returnCode; 14197 } 14198 } 14199 14200 private void setReturnMessage(String returnMsg) { 14201 this.returnMsg = returnMsg; 14202 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 14203 for (int i = 0; i < childCount; i++) { 14204 addedChildPackages.valueAt(i).returnMsg = returnMsg; 14205 } 14206 } 14207 14208 // In some error cases we want to convey more info back to the observer 14209 String origPackage; 14210 String origPermission; 14211 } 14212 14213 /* 14214 * Install a non-existing package. 14215 */ 14216 private void installNewPackageLIF(PackageParser.Package pkg, final int policyFlags, 14217 int scanFlags, UserHandle user, String installerPackageName, String volumeUuid, 14218 PackageInstalledInfo res) { 14219 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installNewPackage"); 14220 14221 // Remember this for later, in case we need to rollback this install 14222 String pkgName = pkg.packageName; 14223 14224 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 14225 14226 synchronized(mPackages) { 14227 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 14228 // A package with the same name is already installed, though 14229 // it has been renamed to an older name. The package we 14230 // are trying to install should be installed as an update to 14231 // the existing one, but that has not been requested, so bail. 14232 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 14233 + " without first uninstalling package running as " 14234 + mSettings.mRenamedPackages.get(pkgName)); 14235 return; 14236 } 14237 if (mPackages.containsKey(pkgName)) { 14238 // Don't allow installation over an existing package with the same name. 14239 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 14240 + " without first uninstalling."); 14241 return; 14242 } 14243 } 14244 14245 try { 14246 PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 14247 System.currentTimeMillis(), user); 14248 14249 updateSettingsLI(newPackage, installerPackageName, null, res, user); 14250 14251 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 14252 prepareAppDataAfterInstallLIF(newPackage); 14253 14254 } else { 14255 // Remove package from internal structures, but keep around any 14256 // data that might have already existed 14257 deletePackageLIF(pkgName, UserHandle.ALL, false, null, 14258 PackageManager.DELETE_KEEP_DATA, res.removedInfo, true, null); 14259 } 14260 } catch (PackageManagerException e) { 14261 res.setError("Package couldn't be installed in " + pkg.codePath, e); 14262 } 14263 14264 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14265 } 14266 14267 private boolean shouldCheckUpgradeKeySetLP(PackageSetting oldPs, int scanFlags) { 14268 // Can't rotate keys during boot or if sharedUser. 14269 if (oldPs == null || (scanFlags&SCAN_INITIAL) != 0 || oldPs.sharedUser != null 14270 || !oldPs.keySetData.isUsingUpgradeKeySets()) { 14271 return false; 14272 } 14273 // app is using upgradeKeySets; make sure all are valid 14274 KeySetManagerService ksms = mSettings.mKeySetManagerService; 14275 long[] upgradeKeySets = oldPs.keySetData.getUpgradeKeySets(); 14276 for (int i = 0; i < upgradeKeySets.length; i++) { 14277 if (!ksms.isIdValidKeySetId(upgradeKeySets[i])) { 14278 Slog.wtf(TAG, "Package " 14279 + (oldPs.name != null ? oldPs.name : "<null>") 14280 + " contains upgrade-key-set reference to unknown key-set: " 14281 + upgradeKeySets[i] 14282 + " reverting to signatures check."); 14283 return false; 14284 } 14285 } 14286 return true; 14287 } 14288 14289 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 14290 // Upgrade keysets are being used. Determine if new package has a superset of the 14291 // required keys. 14292 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 14293 KeySetManagerService ksms = mSettings.mKeySetManagerService; 14294 for (int i = 0; i < upgradeKeySets.length; i++) { 14295 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 14296 if (upgradeSet != null && newPkg.mSigningKeys.containsAll(upgradeSet)) { 14297 return true; 14298 } 14299 } 14300 return false; 14301 } 14302 14303 private static void updateDigest(MessageDigest digest, File file) throws IOException { 14304 try (DigestInputStream digestStream = 14305 new DigestInputStream(new FileInputStream(file), digest)) { 14306 while (digestStream.read() != -1) {} // nothing to do; just plow through the file 14307 } 14308 } 14309 14310 private void replacePackageLIF(PackageParser.Package pkg, final int policyFlags, int scanFlags, 14311 UserHandle user, String installerPackageName, PackageInstalledInfo res) { 14312 final boolean isEphemeral = (policyFlags & PackageParser.PARSE_IS_EPHEMERAL) != 0; 14313 14314 final PackageParser.Package oldPackage; 14315 final String pkgName = pkg.packageName; 14316 final int[] allUsers; 14317 final int[] installedUsers; 14318 14319 synchronized(mPackages) { 14320 oldPackage = mPackages.get(pkgName); 14321 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 14322 14323 // don't allow upgrade to target a release SDK from a pre-release SDK 14324 final boolean oldTargetsPreRelease = oldPackage.applicationInfo.targetSdkVersion 14325 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 14326 final boolean newTargetsPreRelease = pkg.applicationInfo.targetSdkVersion 14327 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 14328 if (oldTargetsPreRelease 14329 && !newTargetsPreRelease 14330 && ((policyFlags & PackageParser.PARSE_FORCE_SDK) == 0)) { 14331 Slog.w(TAG, "Can't install package targeting released sdk"); 14332 res.setReturnCode(PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE); 14333 return; 14334 } 14335 14336 // don't allow an upgrade from full to ephemeral 14337 final boolean oldIsEphemeral = oldPackage.applicationInfo.isEphemeralApp(); 14338 if (isEphemeral && !oldIsEphemeral) { 14339 // can't downgrade from full to ephemeral 14340 Slog.w(TAG, "Can't replace app with ephemeral: " + pkgName); 14341 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 14342 return; 14343 } 14344 14345 // verify signatures are valid 14346 final PackageSetting ps = mSettings.mPackages.get(pkgName); 14347 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 14348 if (!checkUpgradeKeySetLP(ps, pkg)) { 14349 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 14350 "New package not signed by keys specified by upgrade-keysets: " 14351 + pkgName); 14352 return; 14353 } 14354 } else { 14355 // default to original signature matching 14356 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 14357 != PackageManager.SIGNATURE_MATCH) { 14358 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 14359 "New package has a different signature: " + pkgName); 14360 return; 14361 } 14362 } 14363 14364 // don't allow a system upgrade unless the upgrade hash matches 14365 if (oldPackage.restrictUpdateHash != null && oldPackage.isSystemApp()) { 14366 byte[] digestBytes = null; 14367 try { 14368 final MessageDigest digest = MessageDigest.getInstance("SHA-512"); 14369 updateDigest(digest, new File(pkg.baseCodePath)); 14370 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 14371 for (String path : pkg.splitCodePaths) { 14372 updateDigest(digest, new File(path)); 14373 } 14374 } 14375 digestBytes = digest.digest(); 14376 } catch (NoSuchAlgorithmException | IOException e) { 14377 res.setError(INSTALL_FAILED_INVALID_APK, 14378 "Could not compute hash: " + pkgName); 14379 return; 14380 } 14381 if (!Arrays.equals(oldPackage.restrictUpdateHash, digestBytes)) { 14382 res.setError(INSTALL_FAILED_INVALID_APK, 14383 "New package fails restrict-update check: " + pkgName); 14384 return; 14385 } 14386 // retain upgrade restriction 14387 pkg.restrictUpdateHash = oldPackage.restrictUpdateHash; 14388 } 14389 14390 // Check for shared user id changes 14391 String invalidPackageName = 14392 getParentOrChildPackageChangedSharedUser(oldPackage, pkg); 14393 if (invalidPackageName != null) { 14394 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 14395 "Package " + invalidPackageName + " tried to change user " 14396 + oldPackage.mSharedUserId); 14397 return; 14398 } 14399 14400 // In case of rollback, remember per-user/profile install state 14401 allUsers = sUserManager.getUserIds(); 14402 installedUsers = ps.queryInstalledUsers(allUsers, true); 14403 } 14404 14405 // Update what is removed 14406 res.removedInfo = new PackageRemovedInfo(); 14407 res.removedInfo.uid = oldPackage.applicationInfo.uid; 14408 res.removedInfo.removedPackage = oldPackage.packageName; 14409 res.removedInfo.isUpdate = true; 14410 res.removedInfo.origUsers = installedUsers; 14411 final int childCount = (oldPackage.childPackages != null) 14412 ? oldPackage.childPackages.size() : 0; 14413 for (int i = 0; i < childCount; i++) { 14414 boolean childPackageUpdated = false; 14415 PackageParser.Package childPkg = oldPackage.childPackages.get(i); 14416 if (res.addedChildPackages != null) { 14417 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 14418 if (childRes != null) { 14419 childRes.removedInfo.uid = childPkg.applicationInfo.uid; 14420 childRes.removedInfo.removedPackage = childPkg.packageName; 14421 childRes.removedInfo.isUpdate = true; 14422 childPackageUpdated = true; 14423 } 14424 } 14425 if (!childPackageUpdated) { 14426 PackageRemovedInfo childRemovedRes = new PackageRemovedInfo(); 14427 childRemovedRes.removedPackage = childPkg.packageName; 14428 childRemovedRes.isUpdate = false; 14429 childRemovedRes.dataRemoved = true; 14430 synchronized (mPackages) { 14431 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 14432 if (childPs != null) { 14433 childRemovedRes.origUsers = childPs.queryInstalledUsers(allUsers, true); 14434 } 14435 } 14436 if (res.removedInfo.removedChildPackages == null) { 14437 res.removedInfo.removedChildPackages = new ArrayMap<>(); 14438 } 14439 res.removedInfo.removedChildPackages.put(childPkg.packageName, childRemovedRes); 14440 } 14441 } 14442 14443 boolean sysPkg = (isSystemApp(oldPackage)); 14444 if (sysPkg) { 14445 // Set the system/privileged flags as needed 14446 final boolean privileged = 14447 (oldPackage.applicationInfo.privateFlags 14448 & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 14449 final int systemPolicyFlags = policyFlags 14450 | PackageParser.PARSE_IS_SYSTEM 14451 | (privileged ? PackageParser.PARSE_IS_PRIVILEGED : 0); 14452 14453 replaceSystemPackageLIF(oldPackage, pkg, systemPolicyFlags, scanFlags, 14454 user, allUsers, installerPackageName, res); 14455 } else { 14456 replaceNonSystemPackageLIF(oldPackage, pkg, policyFlags, scanFlags, 14457 user, allUsers, installerPackageName, res); 14458 } 14459 } 14460 14461 public List<String> getPreviousCodePaths(String packageName) { 14462 final PackageSetting ps = mSettings.mPackages.get(packageName); 14463 final List<String> result = new ArrayList<String>(); 14464 if (ps != null && ps.oldCodePaths != null) { 14465 result.addAll(ps.oldCodePaths); 14466 } 14467 return result; 14468 } 14469 14470 private void replaceNonSystemPackageLIF(PackageParser.Package deletedPackage, 14471 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 14472 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 14473 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 14474 + deletedPackage); 14475 14476 String pkgName = deletedPackage.packageName; 14477 boolean deletedPkg = true; 14478 boolean addedPkg = false; 14479 boolean updatedSettings = false; 14480 final boolean killApp = (scanFlags & SCAN_DONT_KILL_APP) == 0; 14481 final int deleteFlags = PackageManager.DELETE_KEEP_DATA 14482 | (killApp ? 0 : PackageManager.DELETE_DONT_KILL_APP); 14483 14484 final long origUpdateTime = (pkg.mExtras != null) 14485 ? ((PackageSetting)pkg.mExtras).lastUpdateTime : 0; 14486 14487 // First delete the existing package while retaining the data directory 14488 if (!deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 14489 res.removedInfo, true, pkg)) { 14490 // If the existing package wasn't successfully deleted 14491 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 14492 deletedPkg = false; 14493 } else { 14494 // Successfully deleted the old package; proceed with replace. 14495 14496 // If deleted package lived in a container, give users a chance to 14497 // relinquish resources before killing. 14498 if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) { 14499 if (DEBUG_INSTALL) { 14500 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 14501 } 14502 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 14503 final ArrayList<String> pkgList = new ArrayList<String>(1); 14504 pkgList.add(deletedPackage.applicationInfo.packageName); 14505 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 14506 } 14507 14508 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 14509 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 14510 clearAppProfilesLIF(deletedPackage, UserHandle.USER_ALL); 14511 14512 try { 14513 final PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, 14514 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 14515 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 14516 14517 // Update the in-memory copy of the previous code paths. 14518 PackageSetting ps = mSettings.mPackages.get(pkgName); 14519 if (!killApp) { 14520 if (ps.oldCodePaths == null) { 14521 ps.oldCodePaths = new ArraySet<>(); 14522 } 14523 Collections.addAll(ps.oldCodePaths, deletedPackage.baseCodePath); 14524 if (deletedPackage.splitCodePaths != null) { 14525 Collections.addAll(ps.oldCodePaths, deletedPackage.splitCodePaths); 14526 } 14527 } else { 14528 ps.oldCodePaths = null; 14529 } 14530 if (ps.childPackageNames != null) { 14531 for (int i = ps.childPackageNames.size() - 1; i >= 0; --i) { 14532 final String childPkgName = ps.childPackageNames.get(i); 14533 final PackageSetting childPs = mSettings.mPackages.get(childPkgName); 14534 childPs.oldCodePaths = ps.oldCodePaths; 14535 } 14536 } 14537 prepareAppDataAfterInstallLIF(newPackage); 14538 addedPkg = true; 14539 } catch (PackageManagerException e) { 14540 res.setError("Package couldn't be installed in " + pkg.codePath, e); 14541 } 14542 } 14543 14544 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 14545 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 14546 14547 // Revert all internal state mutations and added folders for the failed install 14548 if (addedPkg) { 14549 deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 14550 res.removedInfo, true, null); 14551 } 14552 14553 // Restore the old package 14554 if (deletedPkg) { 14555 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 14556 File restoreFile = new File(deletedPackage.codePath); 14557 // Parse old package 14558 boolean oldExternal = isExternal(deletedPackage); 14559 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 14560 (deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) | 14561 (oldExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0); 14562 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 14563 try { 14564 scanPackageTracedLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, 14565 null); 14566 } catch (PackageManagerException e) { 14567 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 14568 + e.getMessage()); 14569 return; 14570 } 14571 14572 synchronized (mPackages) { 14573 // Ensure the installer package name up to date 14574 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 14575 14576 // Update permissions for restored package 14577 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 14578 14579 mSettings.writeLPr(); 14580 } 14581 14582 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 14583 } 14584 } else { 14585 synchronized (mPackages) { 14586 PackageSetting ps = mSettings.peekPackageLPr(pkg.packageName); 14587 if (ps != null) { 14588 res.removedInfo.removedForAllUsers = mPackages.get(ps.name) == null; 14589 if (res.removedInfo.removedChildPackages != null) { 14590 final int childCount = res.removedInfo.removedChildPackages.size(); 14591 // Iterate in reverse as we may modify the collection 14592 for (int i = childCount - 1; i >= 0; i--) { 14593 String childPackageName = res.removedInfo.removedChildPackages.keyAt(i); 14594 if (res.addedChildPackages.containsKey(childPackageName)) { 14595 res.removedInfo.removedChildPackages.removeAt(i); 14596 } else { 14597 PackageRemovedInfo childInfo = res.removedInfo 14598 .removedChildPackages.valueAt(i); 14599 childInfo.removedForAllUsers = mPackages.get( 14600 childInfo.removedPackage) == null; 14601 } 14602 } 14603 } 14604 } 14605 } 14606 } 14607 } 14608 14609 private void replaceSystemPackageLIF(PackageParser.Package deletedPackage, 14610 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 14611 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 14612 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 14613 + ", old=" + deletedPackage); 14614 14615 final boolean disabledSystem; 14616 14617 // Remove existing system package 14618 removePackageLI(deletedPackage, true); 14619 14620 synchronized (mPackages) { 14621 disabledSystem = disableSystemPackageLPw(deletedPackage, pkg); 14622 } 14623 if (!disabledSystem) { 14624 // We didn't need to disable the .apk as a current system package, 14625 // which means we are replacing another update that is already 14626 // installed. We need to make sure to delete the older one's .apk. 14627 res.removedInfo.args = createInstallArgsForExisting(0, 14628 deletedPackage.applicationInfo.getCodePath(), 14629 deletedPackage.applicationInfo.getResourcePath(), 14630 getAppDexInstructionSets(deletedPackage.applicationInfo)); 14631 } else { 14632 res.removedInfo.args = null; 14633 } 14634 14635 // Successfully disabled the old package. Now proceed with re-installation 14636 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 14637 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 14638 clearAppProfilesLIF(deletedPackage, UserHandle.USER_ALL); 14639 14640 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14641 pkg.setApplicationInfoFlags(ApplicationInfo.FLAG_UPDATED_SYSTEM_APP, 14642 ApplicationInfo.FLAG_UPDATED_SYSTEM_APP); 14643 14644 PackageParser.Package newPackage = null; 14645 try { 14646 // Add the package to the internal data structures 14647 newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 0, user); 14648 14649 // Set the update and install times 14650 PackageSetting deletedPkgSetting = (PackageSetting) deletedPackage.mExtras; 14651 setInstallAndUpdateTime(newPackage, deletedPkgSetting.firstInstallTime, 14652 System.currentTimeMillis()); 14653 14654 // Update the package dynamic state if succeeded 14655 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 14656 // Now that the install succeeded make sure we remove data 14657 // directories for any child package the update removed. 14658 final int deletedChildCount = (deletedPackage.childPackages != null) 14659 ? deletedPackage.childPackages.size() : 0; 14660 final int newChildCount = (newPackage.childPackages != null) 14661 ? newPackage.childPackages.size() : 0; 14662 for (int i = 0; i < deletedChildCount; i++) { 14663 PackageParser.Package deletedChildPkg = deletedPackage.childPackages.get(i); 14664 boolean childPackageDeleted = true; 14665 for (int j = 0; j < newChildCount; j++) { 14666 PackageParser.Package newChildPkg = newPackage.childPackages.get(j); 14667 if (deletedChildPkg.packageName.equals(newChildPkg.packageName)) { 14668 childPackageDeleted = false; 14669 break; 14670 } 14671 } 14672 if (childPackageDeleted) { 14673 PackageSetting ps = mSettings.getDisabledSystemPkgLPr( 14674 deletedChildPkg.packageName); 14675 if (ps != null && res.removedInfo.removedChildPackages != null) { 14676 PackageRemovedInfo removedChildRes = res.removedInfo 14677 .removedChildPackages.get(deletedChildPkg.packageName); 14678 removePackageDataLIF(ps, allUsers, removedChildRes, 0, false); 14679 removedChildRes.removedForAllUsers = mPackages.get(ps.name) == null; 14680 } 14681 } 14682 } 14683 14684 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 14685 prepareAppDataAfterInstallLIF(newPackage); 14686 } 14687 } catch (PackageManagerException e) { 14688 res.setReturnCode(INSTALL_FAILED_INTERNAL_ERROR); 14689 res.setError("Package couldn't be installed in " + pkg.codePath, e); 14690 } 14691 14692 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 14693 // Re installation failed. Restore old information 14694 // Remove new pkg information 14695 if (newPackage != null) { 14696 removeInstalledPackageLI(newPackage, true); 14697 } 14698 // Add back the old system package 14699 try { 14700 scanPackageTracedLI(deletedPackage, policyFlags, SCAN_UPDATE_SIGNATURE, 0, user); 14701 } catch (PackageManagerException e) { 14702 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 14703 } 14704 14705 synchronized (mPackages) { 14706 if (disabledSystem) { 14707 enableSystemPackageLPw(deletedPackage); 14708 } 14709 14710 // Ensure the installer package name up to date 14711 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 14712 14713 // Update permissions for restored package 14714 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 14715 14716 mSettings.writeLPr(); 14717 } 14718 14719 Slog.i(TAG, "Successfully restored package : " + deletedPackage.packageName 14720 + " after failed upgrade"); 14721 } 14722 } 14723 14724 /** 14725 * Checks whether the parent or any of the child packages have a change shared 14726 * user. For a package to be a valid update the shred users of the parent and 14727 * the children should match. We may later support changing child shared users. 14728 * @param oldPkg The updated package. 14729 * @param newPkg The update package. 14730 * @return The shared user that change between the versions. 14731 */ 14732 private String getParentOrChildPackageChangedSharedUser(PackageParser.Package oldPkg, 14733 PackageParser.Package newPkg) { 14734 // Check parent shared user 14735 if (!Objects.equals(oldPkg.mSharedUserId, newPkg.mSharedUserId)) { 14736 return newPkg.packageName; 14737 } 14738 // Check child shared users 14739 final int oldChildCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 14740 final int newChildCount = (newPkg.childPackages != null) ? newPkg.childPackages.size() : 0; 14741 for (int i = 0; i < newChildCount; i++) { 14742 PackageParser.Package newChildPkg = newPkg.childPackages.get(i); 14743 // If this child was present, did it have the same shared user? 14744 for (int j = 0; j < oldChildCount; j++) { 14745 PackageParser.Package oldChildPkg = oldPkg.childPackages.get(j); 14746 if (newChildPkg.packageName.equals(oldChildPkg.packageName) 14747 && !Objects.equals(newChildPkg.mSharedUserId, oldChildPkg.mSharedUserId)) { 14748 return newChildPkg.packageName; 14749 } 14750 } 14751 } 14752 return null; 14753 } 14754 14755 private void removeNativeBinariesLI(PackageSetting ps) { 14756 // Remove the lib path for the parent package 14757 if (ps != null) { 14758 NativeLibraryHelper.removeNativeBinariesLI(ps.legacyNativeLibraryPathString); 14759 // Remove the lib path for the child packages 14760 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 14761 for (int i = 0; i < childCount; i++) { 14762 PackageSetting childPs = null; 14763 synchronized (mPackages) { 14764 childPs = mSettings.peekPackageLPr(ps.childPackageNames.get(i)); 14765 } 14766 if (childPs != null) { 14767 NativeLibraryHelper.removeNativeBinariesLI(childPs 14768 .legacyNativeLibraryPathString); 14769 } 14770 } 14771 } 14772 } 14773 14774 private void enableSystemPackageLPw(PackageParser.Package pkg) { 14775 // Enable the parent package 14776 mSettings.enableSystemPackageLPw(pkg.packageName); 14777 // Enable the child packages 14778 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14779 for (int i = 0; i < childCount; i++) { 14780 PackageParser.Package childPkg = pkg.childPackages.get(i); 14781 mSettings.enableSystemPackageLPw(childPkg.packageName); 14782 } 14783 } 14784 14785 private boolean disableSystemPackageLPw(PackageParser.Package oldPkg, 14786 PackageParser.Package newPkg) { 14787 // Disable the parent package (parent always replaced) 14788 boolean disabled = mSettings.disableSystemPackageLPw(oldPkg.packageName, true); 14789 // Disable the child packages 14790 final int childCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 14791 for (int i = 0; i < childCount; i++) { 14792 PackageParser.Package childPkg = oldPkg.childPackages.get(i); 14793 final boolean replace = newPkg.hasChildPackage(childPkg.packageName); 14794 disabled |= mSettings.disableSystemPackageLPw(childPkg.packageName, replace); 14795 } 14796 return disabled; 14797 } 14798 14799 private void setInstallerPackageNameLPw(PackageParser.Package pkg, 14800 String installerPackageName) { 14801 // Enable the parent package 14802 mSettings.setInstallerPackageName(pkg.packageName, installerPackageName); 14803 // Enable the child packages 14804 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14805 for (int i = 0; i < childCount; i++) { 14806 PackageParser.Package childPkg = pkg.childPackages.get(i); 14807 mSettings.setInstallerPackageName(childPkg.packageName, installerPackageName); 14808 } 14809 } 14810 14811 private int[] revokeUnusedSharedUserPermissionsLPw(SharedUserSetting su, int[] allUserIds) { 14812 // Collect all used permissions in the UID 14813 ArraySet<String> usedPermissions = new ArraySet<>(); 14814 final int packageCount = su.packages.size(); 14815 for (int i = 0; i < packageCount; i++) { 14816 PackageSetting ps = su.packages.valueAt(i); 14817 if (ps.pkg == null) { 14818 continue; 14819 } 14820 final int requestedPermCount = ps.pkg.requestedPermissions.size(); 14821 for (int j = 0; j < requestedPermCount; j++) { 14822 String permission = ps.pkg.requestedPermissions.get(j); 14823 BasePermission bp = mSettings.mPermissions.get(permission); 14824 if (bp != null) { 14825 usedPermissions.add(permission); 14826 } 14827 } 14828 } 14829 14830 PermissionsState permissionsState = su.getPermissionsState(); 14831 // Prune install permissions 14832 List<PermissionState> installPermStates = permissionsState.getInstallPermissionStates(); 14833 final int installPermCount = installPermStates.size(); 14834 for (int i = installPermCount - 1; i >= 0; i--) { 14835 PermissionState permissionState = installPermStates.get(i); 14836 if (!usedPermissions.contains(permissionState.getName())) { 14837 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 14838 if (bp != null) { 14839 permissionsState.revokeInstallPermission(bp); 14840 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 14841 PackageManager.MASK_PERMISSION_FLAGS, 0); 14842 } 14843 } 14844 } 14845 14846 int[] runtimePermissionChangedUserIds = EmptyArray.INT; 14847 14848 // Prune runtime permissions 14849 for (int userId : allUserIds) { 14850 List<PermissionState> runtimePermStates = permissionsState 14851 .getRuntimePermissionStates(userId); 14852 final int runtimePermCount = runtimePermStates.size(); 14853 for (int i = runtimePermCount - 1; i >= 0; i--) { 14854 PermissionState permissionState = runtimePermStates.get(i); 14855 if (!usedPermissions.contains(permissionState.getName())) { 14856 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 14857 if (bp != null) { 14858 permissionsState.revokeRuntimePermission(bp, userId); 14859 permissionsState.updatePermissionFlags(bp, userId, 14860 PackageManager.MASK_PERMISSION_FLAGS, 0); 14861 runtimePermissionChangedUserIds = ArrayUtils.appendInt( 14862 runtimePermissionChangedUserIds, userId); 14863 } 14864 } 14865 } 14866 } 14867 14868 return runtimePermissionChangedUserIds; 14869 } 14870 14871 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 14872 int[] allUsers, PackageInstalledInfo res, UserHandle user) { 14873 // Update the parent package setting 14874 updateSettingsInternalLI(newPackage, installerPackageName, allUsers, res.origUsers, 14875 res, user); 14876 // Update the child packages setting 14877 final int childCount = (newPackage.childPackages != null) 14878 ? newPackage.childPackages.size() : 0; 14879 for (int i = 0; i < childCount; i++) { 14880 PackageParser.Package childPackage = newPackage.childPackages.get(i); 14881 PackageInstalledInfo childRes = res.addedChildPackages.get(childPackage.packageName); 14882 updateSettingsInternalLI(childPackage, installerPackageName, allUsers, 14883 childRes.origUsers, childRes, user); 14884 } 14885 } 14886 14887 private void updateSettingsInternalLI(PackageParser.Package newPackage, 14888 String installerPackageName, int[] allUsers, int[] installedForUsers, 14889 PackageInstalledInfo res, UserHandle user) { 14890 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 14891 14892 String pkgName = newPackage.packageName; 14893 synchronized (mPackages) { 14894 //write settings. the installStatus will be incomplete at this stage. 14895 //note that the new package setting would have already been 14896 //added to mPackages. It hasn't been persisted yet. 14897 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 14898 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 14899 mSettings.writeLPr(); 14900 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14901 } 14902 14903 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 14904 synchronized (mPackages) { 14905 updatePermissionsLPw(newPackage.packageName, newPackage, 14906 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 14907 ? UPDATE_PERMISSIONS_ALL : 0)); 14908 // For system-bundled packages, we assume that installing an upgraded version 14909 // of the package implies that the user actually wants to run that new code, 14910 // so we enable the package. 14911 PackageSetting ps = mSettings.mPackages.get(pkgName); 14912 final int userId = user.getIdentifier(); 14913 if (ps != null) { 14914 if (isSystemApp(newPackage)) { 14915 if (DEBUG_INSTALL) { 14916 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 14917 } 14918 // Enable system package for requested users 14919 if (res.origUsers != null) { 14920 for (int origUserId : res.origUsers) { 14921 if (userId == UserHandle.USER_ALL || userId == origUserId) { 14922 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 14923 origUserId, installerPackageName); 14924 } 14925 } 14926 } 14927 // Also convey the prior install/uninstall state 14928 if (allUsers != null && installedForUsers != null) { 14929 for (int currentUserId : allUsers) { 14930 final boolean installed = ArrayUtils.contains( 14931 installedForUsers, currentUserId); 14932 if (DEBUG_INSTALL) { 14933 Slog.d(TAG, " user " + currentUserId + " => " + installed); 14934 } 14935 ps.setInstalled(installed, currentUserId); 14936 } 14937 // these install state changes will be persisted in the 14938 // upcoming call to mSettings.writeLPr(). 14939 } 14940 } 14941 // It's implied that when a user requests installation, they want the app to be 14942 // installed and enabled. 14943 if (userId != UserHandle.USER_ALL) { 14944 ps.setInstalled(true, userId); 14945 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, userId, installerPackageName); 14946 } 14947 } 14948 res.name = pkgName; 14949 res.uid = newPackage.applicationInfo.uid; 14950 res.pkg = newPackage; 14951 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 14952 mSettings.setInstallerPackageName(pkgName, installerPackageName); 14953 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14954 //to update install status 14955 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 14956 mSettings.writeLPr(); 14957 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14958 } 14959 14960 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14961 } 14962 14963 private void installPackageTracedLI(InstallArgs args, PackageInstalledInfo res) { 14964 try { 14965 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installPackage"); 14966 installPackageLI(args, res); 14967 } finally { 14968 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14969 } 14970 } 14971 14972 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 14973 final int installFlags = args.installFlags; 14974 final String installerPackageName = args.installerPackageName; 14975 final String volumeUuid = args.volumeUuid; 14976 final File tmpPackageFile = new File(args.getCodePath()); 14977 final boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 14978 final boolean onExternal = (((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) 14979 || (args.volumeUuid != null)); 14980 final boolean ephemeral = ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0); 14981 final boolean forceSdk = ((installFlags & PackageManager.INSTALL_FORCE_SDK) != 0); 14982 boolean replace = false; 14983 int scanFlags = SCAN_NEW_INSTALL | SCAN_UPDATE_SIGNATURE; 14984 if (args.move != null) { 14985 // moving a complete application; perform an initial scan on the new install location 14986 scanFlags |= SCAN_INITIAL; 14987 } 14988 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 14989 scanFlags |= SCAN_DONT_KILL_APP; 14990 } 14991 14992 // Result object to be returned 14993 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14994 14995 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 14996 14997 // Sanity check 14998 if (ephemeral && (forwardLocked || onExternal)) { 14999 Slog.i(TAG, "Incompatible ephemeral install; fwdLocked=" + forwardLocked 15000 + " external=" + onExternal); 15001 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 15002 return; 15003 } 15004 15005 // Retrieve PackageSettings and parse package 15006 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 15007 | PackageParser.PARSE_ENFORCE_CODE 15008 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 15009 | (onExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0) 15010 | (ephemeral ? PackageParser.PARSE_IS_EPHEMERAL : 0) 15011 | (forceSdk ? PackageParser.PARSE_FORCE_SDK : 0); 15012 PackageParser pp = new PackageParser(); 15013 pp.setSeparateProcesses(mSeparateProcesses); 15014 pp.setDisplayMetrics(mMetrics); 15015 15016 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 15017 final PackageParser.Package pkg; 15018 try { 15019 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 15020 } catch (PackageParserException e) { 15021 res.setError("Failed parse during installPackageLI", e); 15022 return; 15023 } finally { 15024 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 15025 } 15026 15027 // If we are installing a clustered package add results for the children 15028 if (pkg.childPackages != null) { 15029 synchronized (mPackages) { 15030 final int childCount = pkg.childPackages.size(); 15031 for (int i = 0; i < childCount; i++) { 15032 PackageParser.Package childPkg = pkg.childPackages.get(i); 15033 PackageInstalledInfo childRes = new PackageInstalledInfo(); 15034 childRes.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 15035 childRes.pkg = childPkg; 15036 childRes.name = childPkg.packageName; 15037 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 15038 if (childPs != null) { 15039 childRes.origUsers = childPs.queryInstalledUsers( 15040 sUserManager.getUserIds(), true); 15041 } 15042 if ((mPackages.containsKey(childPkg.packageName))) { 15043 childRes.removedInfo = new PackageRemovedInfo(); 15044 childRes.removedInfo.removedPackage = childPkg.packageName; 15045 } 15046 if (res.addedChildPackages == null) { 15047 res.addedChildPackages = new ArrayMap<>(); 15048 } 15049 res.addedChildPackages.put(childPkg.packageName, childRes); 15050 } 15051 } 15052 } 15053 15054 // If package doesn't declare API override, mark that we have an install 15055 // time CPU ABI override. 15056 if (TextUtils.isEmpty(pkg.cpuAbiOverride)) { 15057 pkg.cpuAbiOverride = args.abiOverride; 15058 } 15059 15060 String pkgName = res.name = pkg.packageName; 15061 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 15062 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 15063 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 15064 return; 15065 } 15066 } 15067 15068 try { 15069 // either use what we've been given or parse directly from the APK 15070 if (args.certificates != null) { 15071 try { 15072 PackageParser.populateCertificates(pkg, args.certificates); 15073 } catch (PackageParserException e) { 15074 // there was something wrong with the certificates we were given; 15075 // try to pull them from the APK 15076 PackageParser.collectCertificates(pkg, parseFlags); 15077 } 15078 } else { 15079 PackageParser.collectCertificates(pkg, parseFlags); 15080 } 15081 } catch (PackageParserException e) { 15082 res.setError("Failed collect during installPackageLI", e); 15083 return; 15084 } 15085 15086 // Get rid of all references to package scan path via parser. 15087 pp = null; 15088 String oldCodePath = null; 15089 boolean systemApp = false; 15090 synchronized (mPackages) { 15091 // Check if installing already existing package 15092 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 15093 String oldName = mSettings.mRenamedPackages.get(pkgName); 15094 if (pkg.mOriginalPackages != null 15095 && pkg.mOriginalPackages.contains(oldName) 15096 && mPackages.containsKey(oldName)) { 15097 // This package is derived from an original package, 15098 // and this device has been updating from that original 15099 // name. We must continue using the original name, so 15100 // rename the new package here. 15101 pkg.setPackageName(oldName); 15102 pkgName = pkg.packageName; 15103 replace = true; 15104 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 15105 + oldName + " pkgName=" + pkgName); 15106 } else if (mPackages.containsKey(pkgName)) { 15107 // This package, under its official name, already exists 15108 // on the device; we should replace it. 15109 replace = true; 15110 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 15111 } 15112 15113 // Child packages are installed through the parent package 15114 if (pkg.parentPackage != null) { 15115 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 15116 "Package " + pkg.packageName + " is child of package " 15117 + pkg.parentPackage.parentPackage + ". Child packages " 15118 + "can be updated only through the parent package."); 15119 return; 15120 } 15121 15122 if (replace) { 15123 // Prevent apps opting out from runtime permissions 15124 PackageParser.Package oldPackage = mPackages.get(pkgName); 15125 final int oldTargetSdk = oldPackage.applicationInfo.targetSdkVersion; 15126 final int newTargetSdk = pkg.applicationInfo.targetSdkVersion; 15127 if (oldTargetSdk > Build.VERSION_CODES.LOLLIPOP_MR1 15128 && newTargetSdk <= Build.VERSION_CODES.LOLLIPOP_MR1) { 15129 res.setError(PackageManager.INSTALL_FAILED_PERMISSION_MODEL_DOWNGRADE, 15130 "Package " + pkg.packageName + " new target SDK " + newTargetSdk 15131 + " doesn't support runtime permissions but the old" 15132 + " target SDK " + oldTargetSdk + " does."); 15133 return; 15134 } 15135 15136 // Prevent installing of child packages 15137 if (oldPackage.parentPackage != null) { 15138 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 15139 "Package " + pkg.packageName + " is child of package " 15140 + oldPackage.parentPackage + ". Child packages " 15141 + "can be updated only through the parent package."); 15142 return; 15143 } 15144 } 15145 } 15146 15147 PackageSetting ps = mSettings.mPackages.get(pkgName); 15148 if (ps != null) { 15149 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 15150 15151 // Quick sanity check that we're signed correctly if updating; 15152 // we'll check this again later when scanning, but we want to 15153 // bail early here before tripping over redefined permissions. 15154 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 15155 if (!checkUpgradeKeySetLP(ps, pkg)) { 15156 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 15157 + pkg.packageName + " upgrade keys do not match the " 15158 + "previously installed version"); 15159 return; 15160 } 15161 } else { 15162 try { 15163 verifySignaturesLP(ps, pkg); 15164 } catch (PackageManagerException e) { 15165 res.setError(e.error, e.getMessage()); 15166 return; 15167 } 15168 } 15169 15170 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 15171 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 15172 systemApp = (ps.pkg.applicationInfo.flags & 15173 ApplicationInfo.FLAG_SYSTEM) != 0; 15174 } 15175 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 15176 } 15177 15178 // Check whether the newly-scanned package wants to define an already-defined perm 15179 int N = pkg.permissions.size(); 15180 for (int i = N-1; i >= 0; i--) { 15181 PackageParser.Permission perm = pkg.permissions.get(i); 15182 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 15183 if (bp != null) { 15184 // If the defining package is signed with our cert, it's okay. This 15185 // also includes the "updating the same package" case, of course. 15186 // "updating same package" could also involve key-rotation. 15187 final boolean sigsOk; 15188 if (bp.sourcePackage.equals(pkg.packageName) 15189 && (bp.packageSetting instanceof PackageSetting) 15190 && (shouldCheckUpgradeKeySetLP((PackageSetting) bp.packageSetting, 15191 scanFlags))) { 15192 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 15193 } else { 15194 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 15195 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 15196 } 15197 if (!sigsOk) { 15198 // If the owning package is the system itself, we log but allow 15199 // install to proceed; we fail the install on all other permission 15200 // redefinitions. 15201 if (!bp.sourcePackage.equals("android")) { 15202 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 15203 + pkg.packageName + " attempting to redeclare permission " 15204 + perm.info.name + " already owned by " + bp.sourcePackage); 15205 res.origPermission = perm.info.name; 15206 res.origPackage = bp.sourcePackage; 15207 return; 15208 } else { 15209 Slog.w(TAG, "Package " + pkg.packageName 15210 + " attempting to redeclare system permission " 15211 + perm.info.name + "; ignoring new declaration"); 15212 pkg.permissions.remove(i); 15213 } 15214 } 15215 } 15216 } 15217 } 15218 15219 if (systemApp) { 15220 if (onExternal) { 15221 // Abort update; system app can't be replaced with app on sdcard 15222 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 15223 "Cannot install updates to system apps on sdcard"); 15224 return; 15225 } else if (ephemeral) { 15226 // Abort update; system app can't be replaced with an ephemeral app 15227 res.setError(INSTALL_FAILED_EPHEMERAL_INVALID, 15228 "Cannot update a system app with an ephemeral app"); 15229 return; 15230 } 15231 } 15232 15233 if (args.move != null) { 15234 // We did an in-place move, so dex is ready to roll 15235 scanFlags |= SCAN_NO_DEX; 15236 scanFlags |= SCAN_MOVE; 15237 15238 synchronized (mPackages) { 15239 final PackageSetting ps = mSettings.mPackages.get(pkgName); 15240 if (ps == null) { 15241 res.setError(INSTALL_FAILED_INTERNAL_ERROR, 15242 "Missing settings for moved package " + pkgName); 15243 } 15244 15245 // We moved the entire application as-is, so bring over the 15246 // previously derived ABI information. 15247 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 15248 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 15249 } 15250 15251 } else if (!forwardLocked && !pkg.applicationInfo.isExternalAsec()) { 15252 // Enable SCAN_NO_DEX flag to skip dexopt at a later stage 15253 scanFlags |= SCAN_NO_DEX; 15254 15255 try { 15256 String abiOverride = (TextUtils.isEmpty(pkg.cpuAbiOverride) ? 15257 args.abiOverride : pkg.cpuAbiOverride); 15258 derivePackageAbi(pkg, new File(pkg.codePath), abiOverride, 15259 true /* extract libs */); 15260 } catch (PackageManagerException pme) { 15261 Slog.e(TAG, "Error deriving application ABI", pme); 15262 res.setError(INSTALL_FAILED_INTERNAL_ERROR, "Error deriving application ABI"); 15263 return; 15264 } 15265 15266 // Shared libraries for the package need to be updated. 15267 synchronized (mPackages) { 15268 try { 15269 updateSharedLibrariesLPw(pkg, null); 15270 } catch (PackageManagerException e) { 15271 Slog.e(TAG, "updateSharedLibrariesLPw failed: " + e.getMessage()); 15272 } 15273 } 15274 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 15275 // Do not run PackageDexOptimizer through the local performDexOpt 15276 // method because `pkg` may not be in `mPackages` yet. 15277 // 15278 // Also, don't fail application installs if the dexopt step fails. 15279 mPackageDexOptimizer.performDexOpt(pkg, pkg.usesLibraryFiles, 15280 null /* instructionSets */, false /* checkProfiles */, 15281 getCompilerFilterForReason(REASON_INSTALL), 15282 getOrCreateCompilerPackageStats(pkg)); 15283 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 15284 15285 // Notify BackgroundDexOptService that the package has been changed. 15286 // If this is an update of a package which used to fail to compile, 15287 // BDOS will remove it from its blacklist. 15288 BackgroundDexOptService.notifyPackageChanged(pkg.packageName); 15289 } 15290 15291 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 15292 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 15293 return; 15294 } 15295 15296 startIntentFilterVerifications(args.user.getIdentifier(), replace, pkg); 15297 15298 try (PackageFreezer freezer = freezePackageForInstall(pkgName, installFlags, 15299 "installPackageLI")) { 15300 if (replace) { 15301 replacePackageLIF(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user, 15302 installerPackageName, res); 15303 } else { 15304 installNewPackageLIF(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 15305 args.user, installerPackageName, volumeUuid, res); 15306 } 15307 } 15308 synchronized (mPackages) { 15309 final PackageSetting ps = mSettings.mPackages.get(pkgName); 15310 if (ps != null) { 15311 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 15312 } 15313 15314 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 15315 for (int i = 0; i < childCount; i++) { 15316 PackageParser.Package childPkg = pkg.childPackages.get(i); 15317 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 15318 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 15319 if (childPs != null) { 15320 childRes.newUsers = childPs.queryInstalledUsers( 15321 sUserManager.getUserIds(), true); 15322 } 15323 } 15324 } 15325 } 15326 15327 private void startIntentFilterVerifications(int userId, boolean replacing, 15328 PackageParser.Package pkg) { 15329 if (mIntentFilterVerifierComponent == null) { 15330 Slog.w(TAG, "No IntentFilter verification will not be done as " 15331 + "there is no IntentFilterVerifier available!"); 15332 return; 15333 } 15334 15335 final int verifierUid = getPackageUid( 15336 mIntentFilterVerifierComponent.getPackageName(), 15337 MATCH_DEBUG_TRIAGED_MISSING, 15338 (userId == UserHandle.USER_ALL) ? UserHandle.USER_SYSTEM : userId); 15339 15340 Message msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 15341 msg.obj = new IFVerificationParams(pkg, replacing, userId, verifierUid); 15342 mHandler.sendMessage(msg); 15343 15344 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 15345 for (int i = 0; i < childCount; i++) { 15346 PackageParser.Package childPkg = pkg.childPackages.get(i); 15347 msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 15348 msg.obj = new IFVerificationParams(childPkg, replacing, userId, verifierUid); 15349 mHandler.sendMessage(msg); 15350 } 15351 } 15352 15353 private void verifyIntentFiltersIfNeeded(int userId, int verifierUid, boolean replacing, 15354 PackageParser.Package pkg) { 15355 int size = pkg.activities.size(); 15356 if (size == 0) { 15357 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 15358 "No activity, so no need to verify any IntentFilter!"); 15359 return; 15360 } 15361 15362 final boolean hasDomainURLs = hasDomainURLs(pkg); 15363 if (!hasDomainURLs) { 15364 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 15365 "No domain URLs, so no need to verify any IntentFilter!"); 15366 return; 15367 } 15368 15369 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Checking for userId:" + userId 15370 + " if any IntentFilter from the " + size 15371 + " Activities needs verification ..."); 15372 15373 int count = 0; 15374 final String packageName = pkg.packageName; 15375 15376 synchronized (mPackages) { 15377 // If this is a new install and we see that we've already run verification for this 15378 // package, we have nothing to do: it means the state was restored from backup. 15379 if (!replacing) { 15380 IntentFilterVerificationInfo ivi = 15381 mSettings.getIntentFilterVerificationLPr(packageName); 15382 if (ivi != null) { 15383 if (DEBUG_DOMAIN_VERIFICATION) { 15384 Slog.i(TAG, "Package " + packageName+ " already verified: status=" 15385 + ivi.getStatusString()); 15386 } 15387 return; 15388 } 15389 } 15390 15391 // If any filters need to be verified, then all need to be. 15392 boolean needToVerify = false; 15393 for (PackageParser.Activity a : pkg.activities) { 15394 for (ActivityIntentInfo filter : a.intents) { 15395 if (filter.needsVerification() && needsNetworkVerificationLPr(filter)) { 15396 if (DEBUG_DOMAIN_VERIFICATION) { 15397 Slog.d(TAG, "Intent filter needs verification, so processing all filters"); 15398 } 15399 needToVerify = true; 15400 break; 15401 } 15402 } 15403 } 15404 15405 if (needToVerify) { 15406 final int verificationId = mIntentFilterVerificationToken++; 15407 for (PackageParser.Activity a : pkg.activities) { 15408 for (ActivityIntentInfo filter : a.intents) { 15409 if (filter.handlesWebUris(true) && needsNetworkVerificationLPr(filter)) { 15410 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 15411 "Verification needed for IntentFilter:" + filter.toString()); 15412 mIntentFilterVerifier.addOneIntentFilterVerification( 15413 verifierUid, userId, verificationId, filter, packageName); 15414 count++; 15415 } 15416 } 15417 } 15418 } 15419 } 15420 15421 if (count > 0) { 15422 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Starting " + count 15423 + " IntentFilter verification" + (count > 1 ? "s" : "") 15424 + " for userId:" + userId); 15425 mIntentFilterVerifier.startVerifications(userId); 15426 } else { 15427 if (DEBUG_DOMAIN_VERIFICATION) { 15428 Slog.d(TAG, "No filters or not all autoVerify for " + packageName); 15429 } 15430 } 15431 } 15432 15433 private boolean needsNetworkVerificationLPr(ActivityIntentInfo filter) { 15434 final ComponentName cn = filter.activity.getComponentName(); 15435 final String packageName = cn.getPackageName(); 15436 15437 IntentFilterVerificationInfo ivi = mSettings.getIntentFilterVerificationLPr( 15438 packageName); 15439 if (ivi == null) { 15440 return true; 15441 } 15442 int status = ivi.getStatus(); 15443 switch (status) { 15444 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 15445 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 15446 return true; 15447 15448 default: 15449 // Nothing to do 15450 return false; 15451 } 15452 } 15453 15454 private static boolean isMultiArch(ApplicationInfo info) { 15455 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 15456 } 15457 15458 private static boolean isExternal(PackageParser.Package pkg) { 15459 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 15460 } 15461 15462 private static boolean isExternal(PackageSetting ps) { 15463 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 15464 } 15465 15466 private static boolean isEphemeral(PackageParser.Package pkg) { 15467 return pkg.applicationInfo.isEphemeralApp(); 15468 } 15469 15470 private static boolean isEphemeral(PackageSetting ps) { 15471 return ps.pkg != null && isEphemeral(ps.pkg); 15472 } 15473 15474 private static boolean isSystemApp(PackageParser.Package pkg) { 15475 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 15476 } 15477 15478 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 15479 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 15480 } 15481 15482 private static boolean hasDomainURLs(PackageParser.Package pkg) { 15483 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_HAS_DOMAIN_URLS) != 0; 15484 } 15485 15486 private static boolean isSystemApp(PackageSetting ps) { 15487 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 15488 } 15489 15490 private static boolean isUpdatedSystemApp(PackageSetting ps) { 15491 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 15492 } 15493 15494 private int packageFlagsToInstallFlags(PackageSetting ps) { 15495 int installFlags = 0; 15496 if (isEphemeral(ps)) { 15497 installFlags |= PackageManager.INSTALL_EPHEMERAL; 15498 } 15499 if (isExternal(ps) && TextUtils.isEmpty(ps.volumeUuid)) { 15500 // This existing package was an external ASEC install when we have 15501 // the external flag without a UUID 15502 installFlags |= PackageManager.INSTALL_EXTERNAL; 15503 } 15504 if (ps.isForwardLocked()) { 15505 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 15506 } 15507 return installFlags; 15508 } 15509 15510 private String getVolumeUuidForPackage(PackageParser.Package pkg) { 15511 if (isExternal(pkg)) { 15512 if (TextUtils.isEmpty(pkg.volumeUuid)) { 15513 return StorageManager.UUID_PRIMARY_PHYSICAL; 15514 } else { 15515 return pkg.volumeUuid; 15516 } 15517 } else { 15518 return StorageManager.UUID_PRIVATE_INTERNAL; 15519 } 15520 } 15521 15522 private VersionInfo getSettingsVersionForPackage(PackageParser.Package pkg) { 15523 if (isExternal(pkg)) { 15524 if (TextUtils.isEmpty(pkg.volumeUuid)) { 15525 return mSettings.getExternalVersion(); 15526 } else { 15527 return mSettings.findOrCreateVersion(pkg.volumeUuid); 15528 } 15529 } else { 15530 return mSettings.getInternalVersion(); 15531 } 15532 } 15533 15534 private void deleteTempPackageFiles() { 15535 final FilenameFilter filter = new FilenameFilter() { 15536 public boolean accept(File dir, String name) { 15537 return name.startsWith("vmdl") && name.endsWith(".tmp"); 15538 } 15539 }; 15540 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 15541 file.delete(); 15542 } 15543 } 15544 15545 @Override 15546 public void deletePackageAsUser(String packageName, IPackageDeleteObserver observer, int userId, 15547 int flags) { 15548 deletePackage(packageName, new LegacyPackageDeleteObserver(observer).getBinder(), userId, 15549 flags); 15550 } 15551 15552 @Override 15553 public void deletePackage(final String packageName, 15554 final IPackageDeleteObserver2 observer, final int userId, final int deleteFlags) { 15555 mContext.enforceCallingOrSelfPermission( 15556 android.Manifest.permission.DELETE_PACKAGES, null); 15557 Preconditions.checkNotNull(packageName); 15558 Preconditions.checkNotNull(observer); 15559 final int uid = Binder.getCallingUid(); 15560 if (!isOrphaned(packageName) 15561 && !isCallerAllowedToSilentlyUninstall(uid, packageName)) { 15562 try { 15563 final Intent intent = new Intent(Intent.ACTION_UNINSTALL_PACKAGE); 15564 intent.setData(Uri.fromParts(PACKAGE_SCHEME, packageName, null)); 15565 intent.putExtra(PackageInstaller.EXTRA_CALLBACK, observer.asBinder()); 15566 observer.onUserActionRequired(intent); 15567 } catch (RemoteException re) { 15568 } 15569 return; 15570 } 15571 final boolean deleteAllUsers = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0; 15572 final int[] users = deleteAllUsers ? sUserManager.getUserIds() : new int[]{ userId }; 15573 if (UserHandle.getUserId(uid) != userId || (deleteAllUsers && users.length > 1)) { 15574 mContext.enforceCallingOrSelfPermission( 15575 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 15576 "deletePackage for user " + userId); 15577 } 15578 15579 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 15580 try { 15581 observer.onPackageDeleted(packageName, 15582 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 15583 } catch (RemoteException re) { 15584 } 15585 return; 15586 } 15587 15588 if (!deleteAllUsers && getBlockUninstallForUser(packageName, userId)) { 15589 try { 15590 observer.onPackageDeleted(packageName, 15591 PackageManager.DELETE_FAILED_OWNER_BLOCKED, null); 15592 } catch (RemoteException re) { 15593 } 15594 return; 15595 } 15596 15597 if (DEBUG_REMOVE) { 15598 Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId 15599 + " deleteAllUsers: " + deleteAllUsers ); 15600 } 15601 // Queue up an async operation since the package deletion may take a little while. 15602 mHandler.post(new Runnable() { 15603 public void run() { 15604 mHandler.removeCallbacks(this); 15605 int returnCode; 15606 if (!deleteAllUsers) { 15607 returnCode = deletePackageX(packageName, userId, deleteFlags); 15608 } else { 15609 int[] blockUninstallUserIds = getBlockUninstallForUsers(packageName, users); 15610 // If nobody is blocking uninstall, proceed with delete for all users 15611 if (ArrayUtils.isEmpty(blockUninstallUserIds)) { 15612 returnCode = deletePackageX(packageName, userId, deleteFlags); 15613 } else { 15614 // Otherwise uninstall individually for users with blockUninstalls=false 15615 final int userFlags = deleteFlags & ~PackageManager.DELETE_ALL_USERS; 15616 for (int userId : users) { 15617 if (!ArrayUtils.contains(blockUninstallUserIds, userId)) { 15618 returnCode = deletePackageX(packageName, userId, userFlags); 15619 if (returnCode != PackageManager.DELETE_SUCCEEDED) { 15620 Slog.w(TAG, "Package delete failed for user " + userId 15621 + ", returnCode " + returnCode); 15622 } 15623 } 15624 } 15625 // The app has only been marked uninstalled for certain users. 15626 // We still need to report that delete was blocked 15627 returnCode = PackageManager.DELETE_FAILED_OWNER_BLOCKED; 15628 } 15629 } 15630 try { 15631 observer.onPackageDeleted(packageName, returnCode, null); 15632 } catch (RemoteException e) { 15633 Log.i(TAG, "Observer no longer exists."); 15634 } //end catch 15635 } //end run 15636 }); 15637 } 15638 15639 private boolean isCallerAllowedToSilentlyUninstall(int callingUid, String pkgName) { 15640 if (callingUid == Process.SHELL_UID || callingUid == Process.ROOT_UID 15641 || callingUid == Process.SYSTEM_UID) { 15642 return true; 15643 } 15644 final int callingUserId = UserHandle.getUserId(callingUid); 15645 // If the caller installed the pkgName, then allow it to silently uninstall. 15646 if (callingUid == getPackageUid(getInstallerPackageName(pkgName), 0, callingUserId)) { 15647 return true; 15648 } 15649 15650 // Allow package verifier to silently uninstall. 15651 if (mRequiredVerifierPackage != null && 15652 callingUid == getPackageUid(mRequiredVerifierPackage, 0, callingUserId)) { 15653 return true; 15654 } 15655 15656 // Allow package uninstaller to silently uninstall. 15657 if (mRequiredUninstallerPackage != null && 15658 callingUid == getPackageUid(mRequiredUninstallerPackage, 0, callingUserId)) { 15659 return true; 15660 } 15661 15662 // Allow storage manager to silently uninstall. 15663 if (mStorageManagerPackage != null && 15664 callingUid == getPackageUid(mStorageManagerPackage, 0, callingUserId)) { 15665 return true; 15666 } 15667 return false; 15668 } 15669 15670 private int[] getBlockUninstallForUsers(String packageName, int[] userIds) { 15671 int[] result = EMPTY_INT_ARRAY; 15672 for (int userId : userIds) { 15673 if (getBlockUninstallForUser(packageName, userId)) { 15674 result = ArrayUtils.appendInt(result, userId); 15675 } 15676 } 15677 return result; 15678 } 15679 15680 @Override 15681 public boolean isPackageDeviceAdminOnAnyUser(String packageName) { 15682 return isPackageDeviceAdmin(packageName, UserHandle.USER_ALL); 15683 } 15684 15685 private boolean isPackageDeviceAdmin(String packageName, int userId) { 15686 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 15687 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 15688 try { 15689 if (dpm != null) { 15690 final ComponentName deviceOwnerComponentName = dpm.getDeviceOwnerComponent( 15691 /* callingUserOnly =*/ false); 15692 final String deviceOwnerPackageName = deviceOwnerComponentName == null ? null 15693 : deviceOwnerComponentName.getPackageName(); 15694 // Does the package contains the device owner? 15695 // TODO Do we have to do it even if userId != UserHandle.USER_ALL? Otherwise, 15696 // this check is probably not needed, since DO should be registered as a device 15697 // admin on some user too. (Original bug for this: b/17657954) 15698 if (packageName.equals(deviceOwnerPackageName)) { 15699 return true; 15700 } 15701 // Does it contain a device admin for any user? 15702 int[] users; 15703 if (userId == UserHandle.USER_ALL) { 15704 users = sUserManager.getUserIds(); 15705 } else { 15706 users = new int[]{userId}; 15707 } 15708 for (int i = 0; i < users.length; ++i) { 15709 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 15710 return true; 15711 } 15712 } 15713 } 15714 } catch (RemoteException e) { 15715 } 15716 return false; 15717 } 15718 15719 private boolean shouldKeepUninstalledPackageLPr(String packageName) { 15720 return mKeepUninstalledPackages != null && mKeepUninstalledPackages.contains(packageName); 15721 } 15722 15723 /** 15724 * This method is an internal method that could be get invoked either 15725 * to delete an installed package or to clean up a failed installation. 15726 * After deleting an installed package, a broadcast is sent to notify any 15727 * listeners that the package has been removed. For cleaning up a failed 15728 * installation, the broadcast is not necessary since the package's 15729 * installation wouldn't have sent the initial broadcast either 15730 * The key steps in deleting a package are 15731 * deleting the package information in internal structures like mPackages, 15732 * deleting the packages base directories through installd 15733 * updating mSettings to reflect current status 15734 * persisting settings for later use 15735 * sending a broadcast if necessary 15736 */ 15737 private int deletePackageX(String packageName, int userId, int deleteFlags) { 15738 final PackageRemovedInfo info = new PackageRemovedInfo(); 15739 final boolean res; 15740 15741 final int removeUser = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0 15742 ? UserHandle.USER_ALL : userId; 15743 15744 if (isPackageDeviceAdmin(packageName, removeUser)) { 15745 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 15746 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 15747 } 15748 15749 PackageSetting uninstalledPs = null; 15750 15751 // for the uninstall-updates case and restricted profiles, remember the per- 15752 // user handle installed state 15753 int[] allUsers; 15754 synchronized (mPackages) { 15755 uninstalledPs = mSettings.mPackages.get(packageName); 15756 if (uninstalledPs == null) { 15757 Slog.w(TAG, "Not removing non-existent package " + packageName); 15758 return PackageManager.DELETE_FAILED_INTERNAL_ERROR; 15759 } 15760 allUsers = sUserManager.getUserIds(); 15761 info.origUsers = uninstalledPs.queryInstalledUsers(allUsers, true); 15762 } 15763 15764 final int freezeUser; 15765 if (isUpdatedSystemApp(uninstalledPs) 15766 && ((deleteFlags & PackageManager.DELETE_SYSTEM_APP) == 0)) { 15767 // We're downgrading a system app, which will apply to all users, so 15768 // freeze them all during the downgrade 15769 freezeUser = UserHandle.USER_ALL; 15770 } else { 15771 freezeUser = removeUser; 15772 } 15773 15774 synchronized (mInstallLock) { 15775 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 15776 try (PackageFreezer freezer = freezePackageForDelete(packageName, freezeUser, 15777 deleteFlags, "deletePackageX")) { 15778 res = deletePackageLIF(packageName, UserHandle.of(removeUser), true, allUsers, 15779 deleteFlags | REMOVE_CHATTY, info, true, null); 15780 } 15781 synchronized (mPackages) { 15782 if (res) { 15783 mEphemeralApplicationRegistry.onPackageUninstalledLPw(uninstalledPs.pkg); 15784 } 15785 } 15786 } 15787 15788 if (res) { 15789 final boolean killApp = (deleteFlags & PackageManager.DELETE_DONT_KILL_APP) == 0; 15790 info.sendPackageRemovedBroadcasts(killApp); 15791 info.sendSystemPackageUpdatedBroadcasts(); 15792 info.sendSystemPackageAppearedBroadcasts(); 15793 } 15794 // Force a gc here. 15795 Runtime.getRuntime().gc(); 15796 // Delete the resources here after sending the broadcast to let 15797 // other processes clean up before deleting resources. 15798 if (info.args != null) { 15799 synchronized (mInstallLock) { 15800 info.args.doPostDeleteLI(true); 15801 } 15802 } 15803 15804 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 15805 } 15806 15807 class PackageRemovedInfo { 15808 String removedPackage; 15809 int uid = -1; 15810 int removedAppId = -1; 15811 int[] origUsers; 15812 int[] removedUsers = null; 15813 boolean isRemovedPackageSystemUpdate = false; 15814 boolean isUpdate; 15815 boolean dataRemoved; 15816 boolean removedForAllUsers; 15817 // Clean up resources deleted packages. 15818 InstallArgs args = null; 15819 ArrayMap<String, PackageRemovedInfo> removedChildPackages; 15820 ArrayMap<String, PackageInstalledInfo> appearedChildPackages; 15821 15822 void sendPackageRemovedBroadcasts(boolean killApp) { 15823 sendPackageRemovedBroadcastInternal(killApp); 15824 final int childCount = removedChildPackages != null ? removedChildPackages.size() : 0; 15825 for (int i = 0; i < childCount; i++) { 15826 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 15827 childInfo.sendPackageRemovedBroadcastInternal(killApp); 15828 } 15829 } 15830 15831 void sendSystemPackageUpdatedBroadcasts() { 15832 if (isRemovedPackageSystemUpdate) { 15833 sendSystemPackageUpdatedBroadcastsInternal(); 15834 final int childCount = (removedChildPackages != null) 15835 ? removedChildPackages.size() : 0; 15836 for (int i = 0; i < childCount; i++) { 15837 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 15838 if (childInfo.isRemovedPackageSystemUpdate) { 15839 childInfo.sendSystemPackageUpdatedBroadcastsInternal(); 15840 } 15841 } 15842 } 15843 } 15844 15845 void sendSystemPackageAppearedBroadcasts() { 15846 final int packageCount = (appearedChildPackages != null) 15847 ? appearedChildPackages.size() : 0; 15848 for (int i = 0; i < packageCount; i++) { 15849 PackageInstalledInfo installedInfo = appearedChildPackages.valueAt(i); 15850 for (int userId : installedInfo.newUsers) { 15851 sendPackageAddedForUser(installedInfo.name, true, 15852 UserHandle.getAppId(installedInfo.uid), userId); 15853 } 15854 } 15855 } 15856 15857 private void sendSystemPackageUpdatedBroadcastsInternal() { 15858 Bundle extras = new Bundle(2); 15859 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 15860 extras.putBoolean(Intent.EXTRA_REPLACING, true); 15861 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, removedPackage, 15862 extras, 0, null, null, null); 15863 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, removedPackage, 15864 extras, 0, null, null, null); 15865 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 15866 null, 0, removedPackage, null, null); 15867 } 15868 15869 private void sendPackageRemovedBroadcastInternal(boolean killApp) { 15870 Bundle extras = new Bundle(2); 15871 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 15872 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, dataRemoved); 15873 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, !killApp); 15874 if (isUpdate || isRemovedPackageSystemUpdate) { 15875 extras.putBoolean(Intent.EXTRA_REPLACING, true); 15876 } 15877 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 15878 if (removedPackage != null) { 15879 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 15880 extras, 0, null, null, removedUsers); 15881 if (dataRemoved && !isRemovedPackageSystemUpdate) { 15882 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, 15883 removedPackage, extras, 0, null, null, removedUsers); 15884 } 15885 } 15886 if (removedAppId >= 0) { 15887 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, 0, null, null, 15888 removedUsers); 15889 } 15890 } 15891 } 15892 15893 /* 15894 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 15895 * flag is not set, the data directory is removed as well. 15896 * make sure this flag is set for partially installed apps. If not its meaningless to 15897 * delete a partially installed application. 15898 */ 15899 private void removePackageDataLIF(PackageSetting ps, int[] allUserHandles, 15900 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 15901 String packageName = ps.name; 15902 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 15903 // Retrieve object to delete permissions for shared user later on 15904 final PackageParser.Package deletedPkg; 15905 final PackageSetting deletedPs; 15906 // reader 15907 synchronized (mPackages) { 15908 deletedPkg = mPackages.get(packageName); 15909 deletedPs = mSettings.mPackages.get(packageName); 15910 if (outInfo != null) { 15911 outInfo.removedPackage = packageName; 15912 outInfo.removedUsers = deletedPs != null 15913 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 15914 : null; 15915 } 15916 } 15917 15918 removePackageLI(ps, (flags & REMOVE_CHATTY) != 0); 15919 15920 if ((flags & PackageManager.DELETE_KEEP_DATA) == 0) { 15921 final PackageParser.Package resolvedPkg; 15922 if (deletedPkg != null) { 15923 resolvedPkg = deletedPkg; 15924 } else { 15925 // We don't have a parsed package when it lives on an ejected 15926 // adopted storage device, so fake something together 15927 resolvedPkg = new PackageParser.Package(ps.name); 15928 resolvedPkg.setVolumeUuid(ps.volumeUuid); 15929 } 15930 destroyAppDataLIF(resolvedPkg, UserHandle.USER_ALL, 15931 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 15932 destroyAppProfilesLIF(resolvedPkg, UserHandle.USER_ALL); 15933 if (outInfo != null) { 15934 outInfo.dataRemoved = true; 15935 } 15936 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 15937 } 15938 15939 // writer 15940 synchronized (mPackages) { 15941 if (deletedPs != null) { 15942 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 15943 clearIntentFilterVerificationsLPw(deletedPs.name, UserHandle.USER_ALL); 15944 clearDefaultBrowserIfNeeded(packageName); 15945 if (outInfo != null) { 15946 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 15947 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 15948 } 15949 updatePermissionsLPw(deletedPs.name, null, 0); 15950 if (deletedPs.sharedUser != null) { 15951 // Remove permissions associated with package. Since runtime 15952 // permissions are per user we have to kill the removed package 15953 // or packages running under the shared user of the removed 15954 // package if revoking the permissions requested only by the removed 15955 // package is successful and this causes a change in gids. 15956 for (int userId : UserManagerService.getInstance().getUserIds()) { 15957 final int userIdToKill = mSettings.updateSharedUserPermsLPw(deletedPs, 15958 userId); 15959 if (userIdToKill == UserHandle.USER_ALL 15960 || userIdToKill >= UserHandle.USER_SYSTEM) { 15961 // If gids changed for this user, kill all affected packages. 15962 mHandler.post(new Runnable() { 15963 @Override 15964 public void run() { 15965 // This has to happen with no lock held. 15966 killApplication(deletedPs.name, deletedPs.appId, 15967 KILL_APP_REASON_GIDS_CHANGED); 15968 } 15969 }); 15970 break; 15971 } 15972 } 15973 } 15974 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 15975 } 15976 // make sure to preserve per-user disabled state if this removal was just 15977 // a downgrade of a system app to the factory package 15978 if (allUserHandles != null && outInfo != null && outInfo.origUsers != null) { 15979 if (DEBUG_REMOVE) { 15980 Slog.d(TAG, "Propagating install state across downgrade"); 15981 } 15982 for (int userId : allUserHandles) { 15983 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 15984 if (DEBUG_REMOVE) { 15985 Slog.d(TAG, " user " + userId + " => " + installed); 15986 } 15987 ps.setInstalled(installed, userId); 15988 } 15989 } 15990 } 15991 // can downgrade to reader 15992 if (writeSettings) { 15993 // Save settings now 15994 mSettings.writeLPr(); 15995 } 15996 } 15997 if (outInfo != null) { 15998 // A user ID was deleted here. Go through all users and remove it 15999 // from KeyStore. 16000 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 16001 } 16002 } 16003 16004 static boolean locationIsPrivileged(File path) { 16005 try { 16006 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 16007 .getCanonicalPath(); 16008 return path.getCanonicalPath().startsWith(privilegedAppDir); 16009 } catch (IOException e) { 16010 Slog.e(TAG, "Unable to access code path " + path); 16011 } 16012 return false; 16013 } 16014 16015 /* 16016 * Tries to delete system package. 16017 */ 16018 private boolean deleteSystemPackageLIF(PackageParser.Package deletedPkg, 16019 PackageSetting deletedPs, int[] allUserHandles, int flags, PackageRemovedInfo outInfo, 16020 boolean writeSettings) { 16021 if (deletedPs.parentPackageName != null) { 16022 Slog.w(TAG, "Attempt to delete child system package " + deletedPkg.packageName); 16023 return false; 16024 } 16025 16026 final boolean applyUserRestrictions 16027 = (allUserHandles != null) && (outInfo.origUsers != null); 16028 final PackageSetting disabledPs; 16029 // Confirm if the system package has been updated 16030 // An updated system app can be deleted. This will also have to restore 16031 // the system pkg from system partition 16032 // reader 16033 synchronized (mPackages) { 16034 disabledPs = mSettings.getDisabledSystemPkgLPr(deletedPs.name); 16035 } 16036 16037 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + deletedPkg.packageName 16038 + " disabledPs=" + disabledPs); 16039 16040 if (disabledPs == null) { 16041 Slog.w(TAG, "Attempt to delete unknown system package "+ deletedPkg.packageName); 16042 return false; 16043 } else if (DEBUG_REMOVE) { 16044 Slog.d(TAG, "Deleting system pkg from data partition"); 16045 } 16046 16047 if (DEBUG_REMOVE) { 16048 if (applyUserRestrictions) { 16049 Slog.d(TAG, "Remembering install states:"); 16050 for (int userId : allUserHandles) { 16051 final boolean finstalled = ArrayUtils.contains(outInfo.origUsers, userId); 16052 Slog.d(TAG, " u=" + userId + " inst=" + finstalled); 16053 } 16054 } 16055 } 16056 16057 // Delete the updated package 16058 outInfo.isRemovedPackageSystemUpdate = true; 16059 if (outInfo.removedChildPackages != null) { 16060 final int childCount = (deletedPs.childPackageNames != null) 16061 ? deletedPs.childPackageNames.size() : 0; 16062 for (int i = 0; i < childCount; i++) { 16063 String childPackageName = deletedPs.childPackageNames.get(i); 16064 if (disabledPs.childPackageNames != null && disabledPs.childPackageNames 16065 .contains(childPackageName)) { 16066 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 16067 childPackageName); 16068 if (childInfo != null) { 16069 childInfo.isRemovedPackageSystemUpdate = true; 16070 } 16071 } 16072 } 16073 } 16074 16075 if (disabledPs.versionCode < deletedPs.versionCode) { 16076 // Delete data for downgrades 16077 flags &= ~PackageManager.DELETE_KEEP_DATA; 16078 } else { 16079 // Preserve data by setting flag 16080 flags |= PackageManager.DELETE_KEEP_DATA; 16081 } 16082 16083 boolean ret = deleteInstalledPackageLIF(deletedPs, true, flags, allUserHandles, 16084 outInfo, writeSettings, disabledPs.pkg); 16085 if (!ret) { 16086 return false; 16087 } 16088 16089 // writer 16090 synchronized (mPackages) { 16091 // Reinstate the old system package 16092 enableSystemPackageLPw(disabledPs.pkg); 16093 // Remove any native libraries from the upgraded package. 16094 removeNativeBinariesLI(deletedPs); 16095 } 16096 16097 // Install the system package 16098 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 16099 int parseFlags = mDefParseFlags 16100 | PackageParser.PARSE_MUST_BE_APK 16101 | PackageParser.PARSE_IS_SYSTEM 16102 | PackageParser.PARSE_IS_SYSTEM_DIR; 16103 if (locationIsPrivileged(disabledPs.codePath)) { 16104 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 16105 } 16106 16107 final PackageParser.Package newPkg; 16108 try { 16109 newPkg = scanPackageTracedLI(disabledPs.codePath, parseFlags, SCAN_NO_PATHS, 0, null); 16110 } catch (PackageManagerException e) { 16111 Slog.w(TAG, "Failed to restore system package:" + deletedPkg.packageName + ": " 16112 + e.getMessage()); 16113 return false; 16114 } 16115 try { 16116 // update shared libraries for the newly re-installed system package 16117 updateSharedLibrariesLPw(newPkg, null); 16118 } catch (PackageManagerException e) { 16119 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 16120 } 16121 16122 prepareAppDataAfterInstallLIF(newPkg); 16123 16124 // writer 16125 synchronized (mPackages) { 16126 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 16127 16128 // Propagate the permissions state as we do not want to drop on the floor 16129 // runtime permissions. The update permissions method below will take 16130 // care of removing obsolete permissions and grant install permissions. 16131 ps.getPermissionsState().copyFrom(deletedPs.getPermissionsState()); 16132 updatePermissionsLPw(newPkg.packageName, newPkg, 16133 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 16134 16135 if (applyUserRestrictions) { 16136 if (DEBUG_REMOVE) { 16137 Slog.d(TAG, "Propagating install state across reinstall"); 16138 } 16139 for (int userId : allUserHandles) { 16140 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 16141 if (DEBUG_REMOVE) { 16142 Slog.d(TAG, " user " + userId + " => " + installed); 16143 } 16144 ps.setInstalled(installed, userId); 16145 16146 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 16147 } 16148 // Regardless of writeSettings we need to ensure that this restriction 16149 // state propagation is persisted 16150 mSettings.writeAllUsersPackageRestrictionsLPr(); 16151 } 16152 // can downgrade to reader here 16153 if (writeSettings) { 16154 mSettings.writeLPr(); 16155 } 16156 } 16157 return true; 16158 } 16159 16160 private boolean deleteInstalledPackageLIF(PackageSetting ps, 16161 boolean deleteCodeAndResources, int flags, int[] allUserHandles, 16162 PackageRemovedInfo outInfo, boolean writeSettings, 16163 PackageParser.Package replacingPackage) { 16164 synchronized (mPackages) { 16165 if (outInfo != null) { 16166 outInfo.uid = ps.appId; 16167 } 16168 16169 if (outInfo != null && outInfo.removedChildPackages != null) { 16170 final int childCount = (ps.childPackageNames != null) 16171 ? ps.childPackageNames.size() : 0; 16172 for (int i = 0; i < childCount; i++) { 16173 String childPackageName = ps.childPackageNames.get(i); 16174 PackageSetting childPs = mSettings.mPackages.get(childPackageName); 16175 if (childPs == null) { 16176 return false; 16177 } 16178 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 16179 childPackageName); 16180 if (childInfo != null) { 16181 childInfo.uid = childPs.appId; 16182 } 16183 } 16184 } 16185 } 16186 16187 // Delete package data from internal structures and also remove data if flag is set 16188 removePackageDataLIF(ps, allUserHandles, outInfo, flags, writeSettings); 16189 16190 // Delete the child packages data 16191 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 16192 for (int i = 0; i < childCount; i++) { 16193 PackageSetting childPs; 16194 synchronized (mPackages) { 16195 childPs = mSettings.peekPackageLPr(ps.childPackageNames.get(i)); 16196 } 16197 if (childPs != null) { 16198 PackageRemovedInfo childOutInfo = (outInfo != null 16199 && outInfo.removedChildPackages != null) 16200 ? outInfo.removedChildPackages.get(childPs.name) : null; 16201 final int deleteFlags = (flags & DELETE_KEEP_DATA) != 0 16202 && (replacingPackage != null 16203 && !replacingPackage.hasChildPackage(childPs.name)) 16204 ? flags & ~DELETE_KEEP_DATA : flags; 16205 removePackageDataLIF(childPs, allUserHandles, childOutInfo, 16206 deleteFlags, writeSettings); 16207 } 16208 } 16209 16210 // Delete application code and resources only for parent packages 16211 if (ps.parentPackageName == null) { 16212 if (deleteCodeAndResources && (outInfo != null)) { 16213 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 16214 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 16215 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 16216 } 16217 } 16218 16219 return true; 16220 } 16221 16222 @Override 16223 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 16224 int userId) { 16225 mContext.enforceCallingOrSelfPermission( 16226 android.Manifest.permission.DELETE_PACKAGES, null); 16227 synchronized (mPackages) { 16228 PackageSetting ps = mSettings.mPackages.get(packageName); 16229 if (ps == null) { 16230 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 16231 return false; 16232 } 16233 if (!ps.getInstalled(userId)) { 16234 // Can't block uninstall for an app that is not installed or enabled. 16235 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 16236 return false; 16237 } 16238 ps.setBlockUninstall(blockUninstall, userId); 16239 mSettings.writePackageRestrictionsLPr(userId); 16240 } 16241 return true; 16242 } 16243 16244 @Override 16245 public boolean getBlockUninstallForUser(String packageName, int userId) { 16246 synchronized (mPackages) { 16247 PackageSetting ps = mSettings.mPackages.get(packageName); 16248 if (ps == null) { 16249 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 16250 return false; 16251 } 16252 return ps.getBlockUninstall(userId); 16253 } 16254 } 16255 16256 @Override 16257 public boolean setRequiredForSystemUser(String packageName, boolean systemUserApp) { 16258 int callingUid = Binder.getCallingUid(); 16259 if (callingUid != Process.SYSTEM_UID && callingUid != Process.ROOT_UID) { 16260 throw new SecurityException( 16261 "setRequiredForSystemUser can only be run by the system or root"); 16262 } 16263 synchronized (mPackages) { 16264 PackageSetting ps = mSettings.mPackages.get(packageName); 16265 if (ps == null) { 16266 Log.w(TAG, "Package doesn't exist: " + packageName); 16267 return false; 16268 } 16269 if (systemUserApp) { 16270 ps.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 16271 } else { 16272 ps.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 16273 } 16274 mSettings.writeLPr(); 16275 } 16276 return true; 16277 } 16278 16279 /* 16280 * This method handles package deletion in general 16281 */ 16282 private boolean deletePackageLIF(String packageName, UserHandle user, 16283 boolean deleteCodeAndResources, int[] allUserHandles, int flags, 16284 PackageRemovedInfo outInfo, boolean writeSettings, 16285 PackageParser.Package replacingPackage) { 16286 if (packageName == null) { 16287 Slog.w(TAG, "Attempt to delete null packageName."); 16288 return false; 16289 } 16290 16291 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 16292 16293 PackageSetting ps; 16294 16295 synchronized (mPackages) { 16296 ps = mSettings.mPackages.get(packageName); 16297 if (ps == null) { 16298 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 16299 return false; 16300 } 16301 16302 if (ps.parentPackageName != null && (!isSystemApp(ps) 16303 || (flags & PackageManager.DELETE_SYSTEM_APP) != 0)) { 16304 if (DEBUG_REMOVE) { 16305 Slog.d(TAG, "Uninstalled child package:" + packageName + " for user:" 16306 + ((user == null) ? UserHandle.USER_ALL : user)); 16307 } 16308 final int removedUserId = (user != null) ? user.getIdentifier() 16309 : UserHandle.USER_ALL; 16310 if (!clearPackageStateForUserLIF(ps, removedUserId, outInfo)) { 16311 return false; 16312 } 16313 markPackageUninstalledForUserLPw(ps, user); 16314 scheduleWritePackageRestrictionsLocked(user); 16315 return true; 16316 } 16317 } 16318 16319 if (((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 16320 && user.getIdentifier() != UserHandle.USER_ALL)) { 16321 // The caller is asking that the package only be deleted for a single 16322 // user. To do this, we just mark its uninstalled state and delete 16323 // its data. If this is a system app, we only allow this to happen if 16324 // they have set the special DELETE_SYSTEM_APP which requests different 16325 // semantics than normal for uninstalling system apps. 16326 markPackageUninstalledForUserLPw(ps, user); 16327 16328 if (!isSystemApp(ps)) { 16329 // Do not uninstall the APK if an app should be cached 16330 boolean keepUninstalledPackage = shouldKeepUninstalledPackageLPr(packageName); 16331 if (ps.isAnyInstalled(sUserManager.getUserIds()) || keepUninstalledPackage) { 16332 // Other user still have this package installed, so all 16333 // we need to do is clear this user's data and save that 16334 // it is uninstalled. 16335 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 16336 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 16337 return false; 16338 } 16339 scheduleWritePackageRestrictionsLocked(user); 16340 return true; 16341 } else { 16342 // We need to set it back to 'installed' so the uninstall 16343 // broadcasts will be sent correctly. 16344 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 16345 ps.setInstalled(true, user.getIdentifier()); 16346 } 16347 } else { 16348 // This is a system app, so we assume that the 16349 // other users still have this package installed, so all 16350 // we need to do is clear this user's data and save that 16351 // it is uninstalled. 16352 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 16353 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 16354 return false; 16355 } 16356 scheduleWritePackageRestrictionsLocked(user); 16357 return true; 16358 } 16359 } 16360 16361 // If we are deleting a composite package for all users, keep track 16362 // of result for each child. 16363 if (ps.childPackageNames != null && outInfo != null) { 16364 synchronized (mPackages) { 16365 final int childCount = ps.childPackageNames.size(); 16366 outInfo.removedChildPackages = new ArrayMap<>(childCount); 16367 for (int i = 0; i < childCount; i++) { 16368 String childPackageName = ps.childPackageNames.get(i); 16369 PackageRemovedInfo childInfo = new PackageRemovedInfo(); 16370 childInfo.removedPackage = childPackageName; 16371 outInfo.removedChildPackages.put(childPackageName, childInfo); 16372 PackageSetting childPs = mSettings.peekPackageLPr(childPackageName); 16373 if (childPs != null) { 16374 childInfo.origUsers = childPs.queryInstalledUsers(allUserHandles, true); 16375 } 16376 } 16377 } 16378 } 16379 16380 boolean ret = false; 16381 if (isSystemApp(ps)) { 16382 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package: " + ps.name); 16383 // When an updated system application is deleted we delete the existing resources 16384 // as well and fall back to existing code in system partition 16385 ret = deleteSystemPackageLIF(ps.pkg, ps, allUserHandles, flags, outInfo, writeSettings); 16386 } else { 16387 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package: " + ps.name); 16388 ret = deleteInstalledPackageLIF(ps, deleteCodeAndResources, flags, allUserHandles, 16389 outInfo, writeSettings, replacingPackage); 16390 } 16391 16392 // Take a note whether we deleted the package for all users 16393 if (outInfo != null) { 16394 outInfo.removedForAllUsers = mPackages.get(ps.name) == null; 16395 if (outInfo.removedChildPackages != null) { 16396 synchronized (mPackages) { 16397 final int childCount = outInfo.removedChildPackages.size(); 16398 for (int i = 0; i < childCount; i++) { 16399 PackageRemovedInfo childInfo = outInfo.removedChildPackages.valueAt(i); 16400 if (childInfo != null) { 16401 childInfo.removedForAllUsers = mPackages.get( 16402 childInfo.removedPackage) == null; 16403 } 16404 } 16405 } 16406 } 16407 // If we uninstalled an update to a system app there may be some 16408 // child packages that appeared as they are declared in the system 16409 // app but were not declared in the update. 16410 if (isSystemApp(ps)) { 16411 synchronized (mPackages) { 16412 PackageSetting updatedPs = mSettings.peekPackageLPr(ps.name); 16413 final int childCount = (updatedPs.childPackageNames != null) 16414 ? updatedPs.childPackageNames.size() : 0; 16415 for (int i = 0; i < childCount; i++) { 16416 String childPackageName = updatedPs.childPackageNames.get(i); 16417 if (outInfo.removedChildPackages == null 16418 || outInfo.removedChildPackages.indexOfKey(childPackageName) < 0) { 16419 PackageSetting childPs = mSettings.peekPackageLPr(childPackageName); 16420 if (childPs == null) { 16421 continue; 16422 } 16423 PackageInstalledInfo installRes = new PackageInstalledInfo(); 16424 installRes.name = childPackageName; 16425 installRes.newUsers = childPs.queryInstalledUsers(allUserHandles, true); 16426 installRes.pkg = mPackages.get(childPackageName); 16427 installRes.uid = childPs.pkg.applicationInfo.uid; 16428 if (outInfo.appearedChildPackages == null) { 16429 outInfo.appearedChildPackages = new ArrayMap<>(); 16430 } 16431 outInfo.appearedChildPackages.put(childPackageName, installRes); 16432 } 16433 } 16434 } 16435 } 16436 } 16437 16438 return ret; 16439 } 16440 16441 private void markPackageUninstalledForUserLPw(PackageSetting ps, UserHandle user) { 16442 final int[] userIds = (user == null || user.getIdentifier() == UserHandle.USER_ALL) 16443 ? sUserManager.getUserIds() : new int[] {user.getIdentifier()}; 16444 for (int nextUserId : userIds) { 16445 if (DEBUG_REMOVE) { 16446 Slog.d(TAG, "Marking package:" + ps.name + " uninstalled for user:" + nextUserId); 16447 } 16448 ps.setUserState(nextUserId, 0, COMPONENT_ENABLED_STATE_DEFAULT, 16449 false /*installed*/, true /*stopped*/, true /*notLaunched*/, 16450 false /*hidden*/, false /*suspended*/, null, null, null, 16451 false /*blockUninstall*/, 16452 ps.readUserState(nextUserId).domainVerificationStatus, 0); 16453 } 16454 } 16455 16456 private boolean clearPackageStateForUserLIF(PackageSetting ps, int userId, 16457 PackageRemovedInfo outInfo) { 16458 final PackageParser.Package pkg; 16459 synchronized (mPackages) { 16460 pkg = mPackages.get(ps.name); 16461 } 16462 16463 final int[] userIds = (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() 16464 : new int[] {userId}; 16465 for (int nextUserId : userIds) { 16466 if (DEBUG_REMOVE) { 16467 Slog.d(TAG, "Updating package:" + ps.name + " install state for user:" 16468 + nextUserId); 16469 } 16470 16471 destroyAppDataLIF(pkg, userId, 16472 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 16473 destroyAppProfilesLIF(pkg, userId); 16474 removeKeystoreDataIfNeeded(nextUserId, ps.appId); 16475 schedulePackageCleaning(ps.name, nextUserId, false); 16476 synchronized (mPackages) { 16477 if (clearPackagePreferredActivitiesLPw(ps.name, nextUserId)) { 16478 scheduleWritePackageRestrictionsLocked(nextUserId); 16479 } 16480 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, nextUserId); 16481 } 16482 } 16483 16484 if (outInfo != null) { 16485 outInfo.removedPackage = ps.name; 16486 outInfo.removedAppId = ps.appId; 16487 outInfo.removedUsers = userIds; 16488 } 16489 16490 return true; 16491 } 16492 16493 private final class ClearStorageConnection implements ServiceConnection { 16494 IMediaContainerService mContainerService; 16495 16496 @Override 16497 public void onServiceConnected(ComponentName name, IBinder service) { 16498 synchronized (this) { 16499 mContainerService = IMediaContainerService.Stub.asInterface(service); 16500 notifyAll(); 16501 } 16502 } 16503 16504 @Override 16505 public void onServiceDisconnected(ComponentName name) { 16506 } 16507 } 16508 16509 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 16510 if (DEFAULT_CONTAINER_PACKAGE.equals(packageName)) return; 16511 16512 final boolean mounted; 16513 if (Environment.isExternalStorageEmulated()) { 16514 mounted = true; 16515 } else { 16516 final String status = Environment.getExternalStorageState(); 16517 16518 mounted = status.equals(Environment.MEDIA_MOUNTED) 16519 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 16520 } 16521 16522 if (!mounted) { 16523 return; 16524 } 16525 16526 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 16527 int[] users; 16528 if (userId == UserHandle.USER_ALL) { 16529 users = sUserManager.getUserIds(); 16530 } else { 16531 users = new int[] { userId }; 16532 } 16533 final ClearStorageConnection conn = new ClearStorageConnection(); 16534 if (mContext.bindServiceAsUser( 16535 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 16536 try { 16537 for (int curUser : users) { 16538 long timeout = SystemClock.uptimeMillis() + 5000; 16539 synchronized (conn) { 16540 long now; 16541 while (conn.mContainerService == null && 16542 (now = SystemClock.uptimeMillis()) < timeout) { 16543 try { 16544 conn.wait(timeout - now); 16545 } catch (InterruptedException e) { 16546 } 16547 } 16548 } 16549 if (conn.mContainerService == null) { 16550 return; 16551 } 16552 16553 final UserEnvironment userEnv = new UserEnvironment(curUser); 16554 clearDirectory(conn.mContainerService, 16555 userEnv.buildExternalStorageAppCacheDirs(packageName)); 16556 if (allData) { 16557 clearDirectory(conn.mContainerService, 16558 userEnv.buildExternalStorageAppDataDirs(packageName)); 16559 clearDirectory(conn.mContainerService, 16560 userEnv.buildExternalStorageAppMediaDirs(packageName)); 16561 } 16562 } 16563 } finally { 16564 mContext.unbindService(conn); 16565 } 16566 } 16567 } 16568 16569 @Override 16570 public void clearApplicationProfileData(String packageName) { 16571 enforceSystemOrRoot("Only the system can clear all profile data"); 16572 16573 final PackageParser.Package pkg; 16574 synchronized (mPackages) { 16575 pkg = mPackages.get(packageName); 16576 } 16577 16578 try (PackageFreezer freezer = freezePackage(packageName, "clearApplicationProfileData")) { 16579 synchronized (mInstallLock) { 16580 clearAppProfilesLIF(pkg, UserHandle.USER_ALL); 16581 destroyAppReferenceProfileLeafLIF(pkg, UserHandle.USER_ALL, 16582 true /* removeBaseMarker */); 16583 } 16584 } 16585 } 16586 16587 @Override 16588 public void clearApplicationUserData(final String packageName, 16589 final IPackageDataObserver observer, final int userId) { 16590 mContext.enforceCallingOrSelfPermission( 16591 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 16592 16593 enforceCrossUserPermission(Binder.getCallingUid(), userId, 16594 true /* requireFullPermission */, false /* checkShell */, "clear application data"); 16595 16596 if (mProtectedPackages.isPackageDataProtected(userId, packageName)) { 16597 throw new SecurityException("Cannot clear data for a protected package: " 16598 + packageName); 16599 } 16600 // Queue up an async operation since the package deletion may take a little while. 16601 mHandler.post(new Runnable() { 16602 public void run() { 16603 mHandler.removeCallbacks(this); 16604 final boolean succeeded; 16605 try (PackageFreezer freezer = freezePackage(packageName, 16606 "clearApplicationUserData")) { 16607 synchronized (mInstallLock) { 16608 succeeded = clearApplicationUserDataLIF(packageName, userId); 16609 } 16610 clearExternalStorageDataSync(packageName, userId, true); 16611 } 16612 if (succeeded) { 16613 // invoke DeviceStorageMonitor's update method to clear any notifications 16614 DeviceStorageMonitorInternal dsm = LocalServices 16615 .getService(DeviceStorageMonitorInternal.class); 16616 if (dsm != null) { 16617 dsm.checkMemory(); 16618 } 16619 } 16620 if(observer != null) { 16621 try { 16622 observer.onRemoveCompleted(packageName, succeeded); 16623 } catch (RemoteException e) { 16624 Log.i(TAG, "Observer no longer exists."); 16625 } 16626 } //end if observer 16627 } //end run 16628 }); 16629 } 16630 16631 private boolean clearApplicationUserDataLIF(String packageName, int userId) { 16632 if (packageName == null) { 16633 Slog.w(TAG, "Attempt to delete null packageName."); 16634 return false; 16635 } 16636 16637 // Try finding details about the requested package 16638 PackageParser.Package pkg; 16639 synchronized (mPackages) { 16640 pkg = mPackages.get(packageName); 16641 if (pkg == null) { 16642 final PackageSetting ps = mSettings.mPackages.get(packageName); 16643 if (ps != null) { 16644 pkg = ps.pkg; 16645 } 16646 } 16647 16648 if (pkg == null) { 16649 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 16650 return false; 16651 } 16652 16653 PackageSetting ps = (PackageSetting) pkg.mExtras; 16654 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 16655 } 16656 16657 clearAppDataLIF(pkg, userId, 16658 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 16659 16660 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 16661 removeKeystoreDataIfNeeded(userId, appId); 16662 16663 UserManagerInternal umInternal = getUserManagerInternal(); 16664 final int flags; 16665 if (umInternal.isUserUnlockingOrUnlocked(userId)) { 16666 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 16667 } else if (umInternal.isUserRunning(userId)) { 16668 flags = StorageManager.FLAG_STORAGE_DE; 16669 } else { 16670 flags = 0; 16671 } 16672 prepareAppDataContentsLIF(pkg, userId, flags); 16673 16674 return true; 16675 } 16676 16677 /** 16678 * Reverts user permission state changes (permissions and flags) in 16679 * all packages for a given user. 16680 * 16681 * @param userId The device user for which to do a reset. 16682 */ 16683 private void resetUserChangesToRuntimePermissionsAndFlagsLPw(int userId) { 16684 final int packageCount = mPackages.size(); 16685 for (int i = 0; i < packageCount; i++) { 16686 PackageParser.Package pkg = mPackages.valueAt(i); 16687 PackageSetting ps = (PackageSetting) pkg.mExtras; 16688 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 16689 } 16690 } 16691 16692 private void resetNetworkPolicies(int userId) { 16693 LocalServices.getService(NetworkPolicyManagerInternal.class).resetUserState(userId); 16694 } 16695 16696 /** 16697 * Reverts user permission state changes (permissions and flags). 16698 * 16699 * @param ps The package for which to reset. 16700 * @param userId The device user for which to do a reset. 16701 */ 16702 private void resetUserChangesToRuntimePermissionsAndFlagsLPw( 16703 final PackageSetting ps, final int userId) { 16704 if (ps.pkg == null) { 16705 return; 16706 } 16707 16708 // These are flags that can change base on user actions. 16709 final int userSettableMask = FLAG_PERMISSION_USER_SET 16710 | FLAG_PERMISSION_USER_FIXED 16711 | FLAG_PERMISSION_REVOKE_ON_UPGRADE 16712 | FLAG_PERMISSION_REVIEW_REQUIRED; 16713 16714 final int policyOrSystemFlags = FLAG_PERMISSION_SYSTEM_FIXED 16715 | FLAG_PERMISSION_POLICY_FIXED; 16716 16717 boolean writeInstallPermissions = false; 16718 boolean writeRuntimePermissions = false; 16719 16720 final int permissionCount = ps.pkg.requestedPermissions.size(); 16721 for (int i = 0; i < permissionCount; i++) { 16722 String permission = ps.pkg.requestedPermissions.get(i); 16723 16724 BasePermission bp = mSettings.mPermissions.get(permission); 16725 if (bp == null) { 16726 continue; 16727 } 16728 16729 // If shared user we just reset the state to which only this app contributed. 16730 if (ps.sharedUser != null) { 16731 boolean used = false; 16732 final int packageCount = ps.sharedUser.packages.size(); 16733 for (int j = 0; j < packageCount; j++) { 16734 PackageSetting pkg = ps.sharedUser.packages.valueAt(j); 16735 if (pkg.pkg != null && !pkg.pkg.packageName.equals(ps.pkg.packageName) 16736 && pkg.pkg.requestedPermissions.contains(permission)) { 16737 used = true; 16738 break; 16739 } 16740 } 16741 if (used) { 16742 continue; 16743 } 16744 } 16745 16746 PermissionsState permissionsState = ps.getPermissionsState(); 16747 16748 final int oldFlags = permissionsState.getPermissionFlags(bp.name, userId); 16749 16750 // Always clear the user settable flags. 16751 final boolean hasInstallState = permissionsState.getInstallPermissionState( 16752 bp.name) != null; 16753 // If permission review is enabled and this is a legacy app, mark the 16754 // permission as requiring a review as this is the initial state. 16755 int flags = 0; 16756 if ((mPermissionReviewRequired || Build.PERMISSIONS_REVIEW_REQUIRED) 16757 && ps.pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 16758 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 16759 } 16760 if (permissionsState.updatePermissionFlags(bp, userId, userSettableMask, flags)) { 16761 if (hasInstallState) { 16762 writeInstallPermissions = true; 16763 } else { 16764 writeRuntimePermissions = true; 16765 } 16766 } 16767 16768 // Below is only runtime permission handling. 16769 if (!bp.isRuntime()) { 16770 continue; 16771 } 16772 16773 // Never clobber system or policy. 16774 if ((oldFlags & policyOrSystemFlags) != 0) { 16775 continue; 16776 } 16777 16778 // If this permission was granted by default, make sure it is. 16779 if ((oldFlags & FLAG_PERMISSION_GRANTED_BY_DEFAULT) != 0) { 16780 if (permissionsState.grantRuntimePermission(bp, userId) 16781 != PERMISSION_OPERATION_FAILURE) { 16782 writeRuntimePermissions = true; 16783 } 16784 // If permission review is enabled the permissions for a legacy apps 16785 // are represented as constantly granted runtime ones, so don't revoke. 16786 } else if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 16787 // Otherwise, reset the permission. 16788 final int revokeResult = permissionsState.revokeRuntimePermission(bp, userId); 16789 switch (revokeResult) { 16790 case PERMISSION_OPERATION_SUCCESS: 16791 case PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 16792 writeRuntimePermissions = true; 16793 final int appId = ps.appId; 16794 mHandler.post(new Runnable() { 16795 @Override 16796 public void run() { 16797 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 16798 } 16799 }); 16800 } break; 16801 } 16802 } 16803 } 16804 16805 // Synchronously write as we are taking permissions away. 16806 if (writeRuntimePermissions) { 16807 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 16808 } 16809 16810 // Synchronously write as we are taking permissions away. 16811 if (writeInstallPermissions) { 16812 mSettings.writeLPr(); 16813 } 16814 } 16815 16816 /** 16817 * Remove entries from the keystore daemon. Will only remove it if the 16818 * {@code appId} is valid. 16819 */ 16820 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 16821 if (appId < 0) { 16822 return; 16823 } 16824 16825 final KeyStore keyStore = KeyStore.getInstance(); 16826 if (keyStore != null) { 16827 if (userId == UserHandle.USER_ALL) { 16828 for (final int individual : sUserManager.getUserIds()) { 16829 keyStore.clearUid(UserHandle.getUid(individual, appId)); 16830 } 16831 } else { 16832 keyStore.clearUid(UserHandle.getUid(userId, appId)); 16833 } 16834 } else { 16835 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 16836 } 16837 } 16838 16839 @Override 16840 public void deleteApplicationCacheFiles(final String packageName, 16841 final IPackageDataObserver observer) { 16842 final int userId = UserHandle.getCallingUserId(); 16843 deleteApplicationCacheFilesAsUser(packageName, userId, observer); 16844 } 16845 16846 @Override 16847 public void deleteApplicationCacheFilesAsUser(final String packageName, final int userId, 16848 final IPackageDataObserver observer) { 16849 mContext.enforceCallingOrSelfPermission( 16850 android.Manifest.permission.DELETE_CACHE_FILES, null); 16851 enforceCrossUserPermission(Binder.getCallingUid(), userId, 16852 /* requireFullPermission= */ true, /* checkShell= */ false, 16853 "delete application cache files"); 16854 16855 final PackageParser.Package pkg; 16856 synchronized (mPackages) { 16857 pkg = mPackages.get(packageName); 16858 } 16859 16860 // Queue up an async operation since the package deletion may take a little while. 16861 mHandler.post(new Runnable() { 16862 public void run() { 16863 synchronized (mInstallLock) { 16864 final int flags = StorageManager.FLAG_STORAGE_DE 16865 | StorageManager.FLAG_STORAGE_CE; 16866 // We're only clearing cache files, so we don't care if the 16867 // app is unfrozen and still able to run 16868 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CACHE_ONLY); 16869 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 16870 } 16871 clearExternalStorageDataSync(packageName, userId, false); 16872 if (observer != null) { 16873 try { 16874 observer.onRemoveCompleted(packageName, true); 16875 } catch (RemoteException e) { 16876 Log.i(TAG, "Observer no longer exists."); 16877 } 16878 } 16879 } 16880 }); 16881 } 16882 16883 @Override 16884 public void getPackageSizeInfo(final String packageName, int userHandle, 16885 final IPackageStatsObserver observer) { 16886 mContext.enforceCallingOrSelfPermission( 16887 android.Manifest.permission.GET_PACKAGE_SIZE, null); 16888 if (packageName == null) { 16889 throw new IllegalArgumentException("Attempt to get size of null packageName"); 16890 } 16891 16892 PackageStats stats = new PackageStats(packageName, userHandle); 16893 16894 /* 16895 * Queue up an async operation since the package measurement may take a 16896 * little while. 16897 */ 16898 Message msg = mHandler.obtainMessage(INIT_COPY); 16899 msg.obj = new MeasureParams(stats, observer); 16900 mHandler.sendMessage(msg); 16901 } 16902 16903 private boolean getPackageSizeInfoLI(String packageName, int userId, PackageStats stats) { 16904 final PackageSetting ps; 16905 synchronized (mPackages) { 16906 ps = mSettings.mPackages.get(packageName); 16907 if (ps == null) { 16908 Slog.w(TAG, "Failed to find settings for " + packageName); 16909 return false; 16910 } 16911 } 16912 16913 final String[] packageNames = { packageName }; 16914 final long[] ceDataInodes = { ps.getCeDataInode(userId) }; 16915 final String[] codePaths = { ps.codePathString }; 16916 16917 try { 16918 mInstaller.getAppSize(ps.volumeUuid, packageNames, userId, 0, 16919 ps.appId, ceDataInodes, codePaths, stats); 16920 16921 // For now, ignore code size of packages on system partition 16922 if (isSystemApp(ps) && !isUpdatedSystemApp(ps)) { 16923 stats.codeSize = 0; 16924 } 16925 16926 // External clients expect these to be tracked separately 16927 stats.dataSize -= stats.cacheSize; 16928 16929 } catch (InstallerException e) { 16930 Slog.w(TAG, String.valueOf(e)); 16931 return false; 16932 } 16933 16934 return true; 16935 } 16936 16937 private int getUidTargetSdkVersionLockedLPr(int uid) { 16938 Object obj = mSettings.getUserIdLPr(uid); 16939 if (obj instanceof SharedUserSetting) { 16940 final SharedUserSetting sus = (SharedUserSetting) obj; 16941 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 16942 final Iterator<PackageSetting> it = sus.packages.iterator(); 16943 while (it.hasNext()) { 16944 final PackageSetting ps = it.next(); 16945 if (ps.pkg != null) { 16946 int v = ps.pkg.applicationInfo.targetSdkVersion; 16947 if (v < vers) vers = v; 16948 } 16949 } 16950 return vers; 16951 } else if (obj instanceof PackageSetting) { 16952 final PackageSetting ps = (PackageSetting) obj; 16953 if (ps.pkg != null) { 16954 return ps.pkg.applicationInfo.targetSdkVersion; 16955 } 16956 } 16957 return Build.VERSION_CODES.CUR_DEVELOPMENT; 16958 } 16959 16960 @Override 16961 public void addPreferredActivity(IntentFilter filter, int match, 16962 ComponentName[] set, ComponentName activity, int userId) { 16963 addPreferredActivityInternal(filter, match, set, activity, true, userId, 16964 "Adding preferred"); 16965 } 16966 16967 private void addPreferredActivityInternal(IntentFilter filter, int match, 16968 ComponentName[] set, ComponentName activity, boolean always, int userId, 16969 String opname) { 16970 // writer 16971 int callingUid = Binder.getCallingUid(); 16972 enforceCrossUserPermission(callingUid, userId, 16973 true /* requireFullPermission */, false /* checkShell */, "add preferred activity"); 16974 if (filter.countActions() == 0) { 16975 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 16976 return; 16977 } 16978 synchronized (mPackages) { 16979 if (mContext.checkCallingOrSelfPermission( 16980 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 16981 != PackageManager.PERMISSION_GRANTED) { 16982 if (getUidTargetSdkVersionLockedLPr(callingUid) 16983 < Build.VERSION_CODES.FROYO) { 16984 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 16985 + callingUid); 16986 return; 16987 } 16988 mContext.enforceCallingOrSelfPermission( 16989 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16990 } 16991 16992 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 16993 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 16994 + userId + ":"); 16995 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16996 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 16997 scheduleWritePackageRestrictionsLocked(userId); 16998 postPreferredActivityChangedBroadcast(userId); 16999 } 17000 } 17001 17002 private void postPreferredActivityChangedBroadcast(int userId) { 17003 mHandler.post(() -> { 17004 final IActivityManager am = ActivityManagerNative.getDefault(); 17005 if (am == null) { 17006 return; 17007 } 17008 17009 final Intent intent = new Intent(Intent.ACTION_PREFERRED_ACTIVITY_CHANGED); 17010 intent.putExtra(Intent.EXTRA_USER_HANDLE, userId); 17011 try { 17012 am.broadcastIntent(null, intent, null, null, 17013 0, null, null, null, android.app.AppOpsManager.OP_NONE, 17014 null, false, false, userId); 17015 } catch (RemoteException e) { 17016 } 17017 }); 17018 } 17019 17020 @Override 17021 public void replacePreferredActivity(IntentFilter filter, int match, 17022 ComponentName[] set, ComponentName activity, int userId) { 17023 if (filter.countActions() != 1) { 17024 throw new IllegalArgumentException( 17025 "replacePreferredActivity expects filter to have only 1 action."); 17026 } 17027 if (filter.countDataAuthorities() != 0 17028 || filter.countDataPaths() != 0 17029 || filter.countDataSchemes() > 1 17030 || filter.countDataTypes() != 0) { 17031 throw new IllegalArgumentException( 17032 "replacePreferredActivity expects filter to have no data authorities, " + 17033 "paths, or types; and at most one scheme."); 17034 } 17035 17036 final int callingUid = Binder.getCallingUid(); 17037 enforceCrossUserPermission(callingUid, userId, 17038 true /* requireFullPermission */, false /* checkShell */, 17039 "replace preferred activity"); 17040 synchronized (mPackages) { 17041 if (mContext.checkCallingOrSelfPermission( 17042 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 17043 != PackageManager.PERMISSION_GRANTED) { 17044 if (getUidTargetSdkVersionLockedLPr(callingUid) 17045 < Build.VERSION_CODES.FROYO) { 17046 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 17047 + Binder.getCallingUid()); 17048 return; 17049 } 17050 mContext.enforceCallingOrSelfPermission( 17051 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 17052 } 17053 17054 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 17055 if (pir != null) { 17056 // Get all of the existing entries that exactly match this filter. 17057 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 17058 if (existing != null && existing.size() == 1) { 17059 PreferredActivity cur = existing.get(0); 17060 if (DEBUG_PREFERRED) { 17061 Slog.i(TAG, "Checking replace of preferred:"); 17062 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 17063 if (!cur.mPref.mAlways) { 17064 Slog.i(TAG, " -- CUR; not mAlways!"); 17065 } else { 17066 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 17067 Slog.i(TAG, " -- CUR: mSet=" 17068 + Arrays.toString(cur.mPref.mSetComponents)); 17069 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 17070 Slog.i(TAG, " -- NEW: mMatch=" 17071 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 17072 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 17073 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 17074 } 17075 } 17076 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 17077 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 17078 && cur.mPref.sameSet(set)) { 17079 // Setting the preferred activity to what it happens to be already 17080 if (DEBUG_PREFERRED) { 17081 Slog.i(TAG, "Replacing with same preferred activity " 17082 + cur.mPref.mShortComponent + " for user " 17083 + userId + ":"); 17084 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 17085 } 17086 return; 17087 } 17088 } 17089 17090 if (existing != null) { 17091 if (DEBUG_PREFERRED) { 17092 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 17093 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 17094 } 17095 for (int i = 0; i < existing.size(); i++) { 17096 PreferredActivity pa = existing.get(i); 17097 if (DEBUG_PREFERRED) { 17098 Slog.i(TAG, "Removing existing preferred activity " 17099 + pa.mPref.mComponent + ":"); 17100 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 17101 } 17102 pir.removeFilter(pa); 17103 } 17104 } 17105 } 17106 addPreferredActivityInternal(filter, match, set, activity, true, userId, 17107 "Replacing preferred"); 17108 } 17109 } 17110 17111 @Override 17112 public void clearPackagePreferredActivities(String packageName) { 17113 final int uid = Binder.getCallingUid(); 17114 // writer 17115 synchronized (mPackages) { 17116 PackageParser.Package pkg = mPackages.get(packageName); 17117 if (pkg == null || pkg.applicationInfo.uid != uid) { 17118 if (mContext.checkCallingOrSelfPermission( 17119 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 17120 != PackageManager.PERMISSION_GRANTED) { 17121 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 17122 < Build.VERSION_CODES.FROYO) { 17123 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 17124 + Binder.getCallingUid()); 17125 return; 17126 } 17127 mContext.enforceCallingOrSelfPermission( 17128 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 17129 } 17130 } 17131 17132 int user = UserHandle.getCallingUserId(); 17133 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 17134 scheduleWritePackageRestrictionsLocked(user); 17135 } 17136 } 17137 } 17138 17139 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 17140 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 17141 ArrayList<PreferredActivity> removed = null; 17142 boolean changed = false; 17143 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 17144 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 17145 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 17146 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 17147 continue; 17148 } 17149 Iterator<PreferredActivity> it = pir.filterIterator(); 17150 while (it.hasNext()) { 17151 PreferredActivity pa = it.next(); 17152 // Mark entry for removal only if it matches the package name 17153 // and the entry is of type "always". 17154 if (packageName == null || 17155 (pa.mPref.mComponent.getPackageName().equals(packageName) 17156 && pa.mPref.mAlways)) { 17157 if (removed == null) { 17158 removed = new ArrayList<PreferredActivity>(); 17159 } 17160 removed.add(pa); 17161 } 17162 } 17163 if (removed != null) { 17164 for (int j=0; j<removed.size(); j++) { 17165 PreferredActivity pa = removed.get(j); 17166 pir.removeFilter(pa); 17167 } 17168 changed = true; 17169 } 17170 } 17171 if (changed) { 17172 postPreferredActivityChangedBroadcast(userId); 17173 } 17174 return changed; 17175 } 17176 17177 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 17178 private void clearIntentFilterVerificationsLPw(int userId) { 17179 final int packageCount = mPackages.size(); 17180 for (int i = 0; i < packageCount; i++) { 17181 PackageParser.Package pkg = mPackages.valueAt(i); 17182 clearIntentFilterVerificationsLPw(pkg.packageName, userId); 17183 } 17184 } 17185 17186 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 17187 void clearIntentFilterVerificationsLPw(String packageName, int userId) { 17188 if (userId == UserHandle.USER_ALL) { 17189 if (mSettings.removeIntentFilterVerificationLPw(packageName, 17190 sUserManager.getUserIds())) { 17191 for (int oneUserId : sUserManager.getUserIds()) { 17192 scheduleWritePackageRestrictionsLocked(oneUserId); 17193 } 17194 } 17195 } else { 17196 if (mSettings.removeIntentFilterVerificationLPw(packageName, userId)) { 17197 scheduleWritePackageRestrictionsLocked(userId); 17198 } 17199 } 17200 } 17201 17202 void clearDefaultBrowserIfNeeded(String packageName) { 17203 for (int oneUserId : sUserManager.getUserIds()) { 17204 String defaultBrowserPackageName = getDefaultBrowserPackageName(oneUserId); 17205 if (TextUtils.isEmpty(defaultBrowserPackageName)) continue; 17206 if (packageName.equals(defaultBrowserPackageName)) { 17207 setDefaultBrowserPackageName(null, oneUserId); 17208 } 17209 } 17210 } 17211 17212 @Override 17213 public void resetApplicationPreferences(int userId) { 17214 mContext.enforceCallingOrSelfPermission( 17215 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 17216 final long identity = Binder.clearCallingIdentity(); 17217 // writer 17218 try { 17219 synchronized (mPackages) { 17220 clearPackagePreferredActivitiesLPw(null, userId); 17221 mSettings.applyDefaultPreferredAppsLPw(this, userId); 17222 // TODO: We have to reset the default SMS and Phone. This requires 17223 // significant refactoring to keep all default apps in the package 17224 // manager (cleaner but more work) or have the services provide 17225 // callbacks to the package manager to request a default app reset. 17226 applyFactoryDefaultBrowserLPw(userId); 17227 clearIntentFilterVerificationsLPw(userId); 17228 primeDomainVerificationsLPw(userId); 17229 resetUserChangesToRuntimePermissionsAndFlagsLPw(userId); 17230 scheduleWritePackageRestrictionsLocked(userId); 17231 } 17232 resetNetworkPolicies(userId); 17233 } finally { 17234 Binder.restoreCallingIdentity(identity); 17235 } 17236 } 17237 17238 @Override 17239 public int getPreferredActivities(List<IntentFilter> outFilters, 17240 List<ComponentName> outActivities, String packageName) { 17241 17242 int num = 0; 17243 final int userId = UserHandle.getCallingUserId(); 17244 // reader 17245 synchronized (mPackages) { 17246 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 17247 if (pir != null) { 17248 final Iterator<PreferredActivity> it = pir.filterIterator(); 17249 while (it.hasNext()) { 17250 final PreferredActivity pa = it.next(); 17251 if (packageName == null 17252 || (pa.mPref.mComponent.getPackageName().equals(packageName) 17253 && pa.mPref.mAlways)) { 17254 if (outFilters != null) { 17255 outFilters.add(new IntentFilter(pa)); 17256 } 17257 if (outActivities != null) { 17258 outActivities.add(pa.mPref.mComponent); 17259 } 17260 } 17261 } 17262 } 17263 } 17264 17265 return num; 17266 } 17267 17268 @Override 17269 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 17270 int userId) { 17271 int callingUid = Binder.getCallingUid(); 17272 if (callingUid != Process.SYSTEM_UID) { 17273 throw new SecurityException( 17274 "addPersistentPreferredActivity can only be run by the system"); 17275 } 17276 if (filter.countActions() == 0) { 17277 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 17278 return; 17279 } 17280 synchronized (mPackages) { 17281 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 17282 ":"); 17283 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 17284 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 17285 new PersistentPreferredActivity(filter, activity)); 17286 scheduleWritePackageRestrictionsLocked(userId); 17287 postPreferredActivityChangedBroadcast(userId); 17288 } 17289 } 17290 17291 @Override 17292 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 17293 int callingUid = Binder.getCallingUid(); 17294 if (callingUid != Process.SYSTEM_UID) { 17295 throw new SecurityException( 17296 "clearPackagePersistentPreferredActivities can only be run by the system"); 17297 } 17298 ArrayList<PersistentPreferredActivity> removed = null; 17299 boolean changed = false; 17300 synchronized (mPackages) { 17301 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 17302 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 17303 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 17304 .valueAt(i); 17305 if (userId != thisUserId) { 17306 continue; 17307 } 17308 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 17309 while (it.hasNext()) { 17310 PersistentPreferredActivity ppa = it.next(); 17311 // Mark entry for removal only if it matches the package name. 17312 if (ppa.mComponent.getPackageName().equals(packageName)) { 17313 if (removed == null) { 17314 removed = new ArrayList<PersistentPreferredActivity>(); 17315 } 17316 removed.add(ppa); 17317 } 17318 } 17319 if (removed != null) { 17320 for (int j=0; j<removed.size(); j++) { 17321 PersistentPreferredActivity ppa = removed.get(j); 17322 ppir.removeFilter(ppa); 17323 } 17324 changed = true; 17325 } 17326 } 17327 17328 if (changed) { 17329 scheduleWritePackageRestrictionsLocked(userId); 17330 postPreferredActivityChangedBroadcast(userId); 17331 } 17332 } 17333 } 17334 17335 /** 17336 * Common machinery for picking apart a restored XML blob and passing 17337 * it to a caller-supplied functor to be applied to the running system. 17338 */ 17339 private void restoreFromXml(XmlPullParser parser, int userId, 17340 String expectedStartTag, BlobXmlRestorer functor) 17341 throws IOException, XmlPullParserException { 17342 int type; 17343 while ((type = parser.next()) != XmlPullParser.START_TAG 17344 && type != XmlPullParser.END_DOCUMENT) { 17345 } 17346 if (type != XmlPullParser.START_TAG) { 17347 // oops didn't find a start tag?! 17348 if (DEBUG_BACKUP) { 17349 Slog.e(TAG, "Didn't find start tag during restore"); 17350 } 17351 return; 17352 } 17353Slog.v(TAG, ":: restoreFromXml() : got to tag " + parser.getName()); 17354 // this is supposed to be TAG_PREFERRED_BACKUP 17355 if (!expectedStartTag.equals(parser.getName())) { 17356 if (DEBUG_BACKUP) { 17357 Slog.e(TAG, "Found unexpected tag " + parser.getName()); 17358 } 17359 return; 17360 } 17361 17362 // skip interfering stuff, then we're aligned with the backing implementation 17363 while ((type = parser.next()) == XmlPullParser.TEXT) { } 17364Slog.v(TAG, ":: stepped forward, applying functor at tag " + parser.getName()); 17365 functor.apply(parser, userId); 17366 } 17367 17368 private interface BlobXmlRestorer { 17369 public void apply(XmlPullParser parser, int userId) throws IOException, XmlPullParserException; 17370 } 17371 17372 /** 17373 * Non-Binder method, support for the backup/restore mechanism: write the 17374 * full set of preferred activities in its canonical XML format. Returns the 17375 * XML output as a byte array, or null if there is none. 17376 */ 17377 @Override 17378 public byte[] getPreferredActivityBackup(int userId) { 17379 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17380 throw new SecurityException("Only the system may call getPreferredActivityBackup()"); 17381 } 17382 17383 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17384 try { 17385 final XmlSerializer serializer = new FastXmlSerializer(); 17386 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17387 serializer.startDocument(null, true); 17388 serializer.startTag(null, TAG_PREFERRED_BACKUP); 17389 17390 synchronized (mPackages) { 17391 mSettings.writePreferredActivitiesLPr(serializer, userId, true); 17392 } 17393 17394 serializer.endTag(null, TAG_PREFERRED_BACKUP); 17395 serializer.endDocument(); 17396 serializer.flush(); 17397 } catch (Exception e) { 17398 if (DEBUG_BACKUP) { 17399 Slog.e(TAG, "Unable to write preferred activities for backup", e); 17400 } 17401 return null; 17402 } 17403 17404 return dataStream.toByteArray(); 17405 } 17406 17407 @Override 17408 public void restorePreferredActivities(byte[] backup, int userId) { 17409 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17410 throw new SecurityException("Only the system may call restorePreferredActivities()"); 17411 } 17412 17413 try { 17414 final XmlPullParser parser = Xml.newPullParser(); 17415 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17416 restoreFromXml(parser, userId, TAG_PREFERRED_BACKUP, 17417 new BlobXmlRestorer() { 17418 @Override 17419 public void apply(XmlPullParser parser, int userId) 17420 throws XmlPullParserException, IOException { 17421 synchronized (mPackages) { 17422 mSettings.readPreferredActivitiesLPw(parser, userId); 17423 } 17424 } 17425 } ); 17426 } catch (Exception e) { 17427 if (DEBUG_BACKUP) { 17428 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 17429 } 17430 } 17431 } 17432 17433 /** 17434 * Non-Binder method, support for the backup/restore mechanism: write the 17435 * default browser (etc) settings in its canonical XML format. Returns the default 17436 * browser XML representation as a byte array, or null if there is none. 17437 */ 17438 @Override 17439 public byte[] getDefaultAppsBackup(int userId) { 17440 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17441 throw new SecurityException("Only the system may call getDefaultAppsBackup()"); 17442 } 17443 17444 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17445 try { 17446 final XmlSerializer serializer = new FastXmlSerializer(); 17447 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17448 serializer.startDocument(null, true); 17449 serializer.startTag(null, TAG_DEFAULT_APPS); 17450 17451 synchronized (mPackages) { 17452 mSettings.writeDefaultAppsLPr(serializer, userId); 17453 } 17454 17455 serializer.endTag(null, TAG_DEFAULT_APPS); 17456 serializer.endDocument(); 17457 serializer.flush(); 17458 } catch (Exception e) { 17459 if (DEBUG_BACKUP) { 17460 Slog.e(TAG, "Unable to write default apps for backup", e); 17461 } 17462 return null; 17463 } 17464 17465 return dataStream.toByteArray(); 17466 } 17467 17468 @Override 17469 public void restoreDefaultApps(byte[] backup, int userId) { 17470 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17471 throw new SecurityException("Only the system may call restoreDefaultApps()"); 17472 } 17473 17474 try { 17475 final XmlPullParser parser = Xml.newPullParser(); 17476 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17477 restoreFromXml(parser, userId, TAG_DEFAULT_APPS, 17478 new BlobXmlRestorer() { 17479 @Override 17480 public void apply(XmlPullParser parser, int userId) 17481 throws XmlPullParserException, IOException { 17482 synchronized (mPackages) { 17483 mSettings.readDefaultAppsLPw(parser, userId); 17484 } 17485 } 17486 } ); 17487 } catch (Exception e) { 17488 if (DEBUG_BACKUP) { 17489 Slog.e(TAG, "Exception restoring default apps: " + e.getMessage()); 17490 } 17491 } 17492 } 17493 17494 @Override 17495 public byte[] getIntentFilterVerificationBackup(int userId) { 17496 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17497 throw new SecurityException("Only the system may call getIntentFilterVerificationBackup()"); 17498 } 17499 17500 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17501 try { 17502 final XmlSerializer serializer = new FastXmlSerializer(); 17503 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17504 serializer.startDocument(null, true); 17505 serializer.startTag(null, TAG_INTENT_FILTER_VERIFICATION); 17506 17507 synchronized (mPackages) { 17508 mSettings.writeAllDomainVerificationsLPr(serializer, userId); 17509 } 17510 17511 serializer.endTag(null, TAG_INTENT_FILTER_VERIFICATION); 17512 serializer.endDocument(); 17513 serializer.flush(); 17514 } catch (Exception e) { 17515 if (DEBUG_BACKUP) { 17516 Slog.e(TAG, "Unable to write default apps for backup", e); 17517 } 17518 return null; 17519 } 17520 17521 return dataStream.toByteArray(); 17522 } 17523 17524 @Override 17525 public void restoreIntentFilterVerification(byte[] backup, int userId) { 17526 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17527 throw new SecurityException("Only the system may call restorePreferredActivities()"); 17528 } 17529 17530 try { 17531 final XmlPullParser parser = Xml.newPullParser(); 17532 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17533 restoreFromXml(parser, userId, TAG_INTENT_FILTER_VERIFICATION, 17534 new BlobXmlRestorer() { 17535 @Override 17536 public void apply(XmlPullParser parser, int userId) 17537 throws XmlPullParserException, IOException { 17538 synchronized (mPackages) { 17539 mSettings.readAllDomainVerificationsLPr(parser, userId); 17540 mSettings.writeLPr(); 17541 } 17542 } 17543 } ); 17544 } catch (Exception e) { 17545 if (DEBUG_BACKUP) { 17546 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 17547 } 17548 } 17549 } 17550 17551 @Override 17552 public byte[] getPermissionGrantBackup(int userId) { 17553 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17554 throw new SecurityException("Only the system may call getPermissionGrantBackup()"); 17555 } 17556 17557 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17558 try { 17559 final XmlSerializer serializer = new FastXmlSerializer(); 17560 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17561 serializer.startDocument(null, true); 17562 serializer.startTag(null, TAG_PERMISSION_BACKUP); 17563 17564 synchronized (mPackages) { 17565 serializeRuntimePermissionGrantsLPr(serializer, userId); 17566 } 17567 17568 serializer.endTag(null, TAG_PERMISSION_BACKUP); 17569 serializer.endDocument(); 17570 serializer.flush(); 17571 } catch (Exception e) { 17572 if (DEBUG_BACKUP) { 17573 Slog.e(TAG, "Unable to write default apps for backup", e); 17574 } 17575 return null; 17576 } 17577 17578 return dataStream.toByteArray(); 17579 } 17580 17581 @Override 17582 public void restorePermissionGrants(byte[] backup, int userId) { 17583 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17584 throw new SecurityException("Only the system may call restorePermissionGrants()"); 17585 } 17586 17587 try { 17588 final XmlPullParser parser = Xml.newPullParser(); 17589 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17590 restoreFromXml(parser, userId, TAG_PERMISSION_BACKUP, 17591 new BlobXmlRestorer() { 17592 @Override 17593 public void apply(XmlPullParser parser, int userId) 17594 throws XmlPullParserException, IOException { 17595 synchronized (mPackages) { 17596 processRestoredPermissionGrantsLPr(parser, userId); 17597 } 17598 } 17599 } ); 17600 } catch (Exception e) { 17601 if (DEBUG_BACKUP) { 17602 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 17603 } 17604 } 17605 } 17606 17607 private void serializeRuntimePermissionGrantsLPr(XmlSerializer serializer, final int userId) 17608 throws IOException { 17609 serializer.startTag(null, TAG_ALL_GRANTS); 17610 17611 final int N = mSettings.mPackages.size(); 17612 for (int i = 0; i < N; i++) { 17613 final PackageSetting ps = mSettings.mPackages.valueAt(i); 17614 boolean pkgGrantsKnown = false; 17615 17616 PermissionsState packagePerms = ps.getPermissionsState(); 17617 17618 for (PermissionState state : packagePerms.getRuntimePermissionStates(userId)) { 17619 final int grantFlags = state.getFlags(); 17620 // only look at grants that are not system/policy fixed 17621 if ((grantFlags & SYSTEM_RUNTIME_GRANT_MASK) == 0) { 17622 final boolean isGranted = state.isGranted(); 17623 // And only back up the user-twiddled state bits 17624 if (isGranted || (grantFlags & USER_RUNTIME_GRANT_MASK) != 0) { 17625 final String packageName = mSettings.mPackages.keyAt(i); 17626 if (!pkgGrantsKnown) { 17627 serializer.startTag(null, TAG_GRANT); 17628 serializer.attribute(null, ATTR_PACKAGE_NAME, packageName); 17629 pkgGrantsKnown = true; 17630 } 17631 17632 final boolean userSet = 17633 (grantFlags & FLAG_PERMISSION_USER_SET) != 0; 17634 final boolean userFixed = 17635 (grantFlags & FLAG_PERMISSION_USER_FIXED) != 0; 17636 final boolean revoke = 17637 (grantFlags & FLAG_PERMISSION_REVOKE_ON_UPGRADE) != 0; 17638 17639 serializer.startTag(null, TAG_PERMISSION); 17640 serializer.attribute(null, ATTR_PERMISSION_NAME, state.getName()); 17641 if (isGranted) { 17642 serializer.attribute(null, ATTR_IS_GRANTED, "true"); 17643 } 17644 if (userSet) { 17645 serializer.attribute(null, ATTR_USER_SET, "true"); 17646 } 17647 if (userFixed) { 17648 serializer.attribute(null, ATTR_USER_FIXED, "true"); 17649 } 17650 if (revoke) { 17651 serializer.attribute(null, ATTR_REVOKE_ON_UPGRADE, "true"); 17652 } 17653 serializer.endTag(null, TAG_PERMISSION); 17654 } 17655 } 17656 } 17657 17658 if (pkgGrantsKnown) { 17659 serializer.endTag(null, TAG_GRANT); 17660 } 17661 } 17662 17663 serializer.endTag(null, TAG_ALL_GRANTS); 17664 } 17665 17666 private void processRestoredPermissionGrantsLPr(XmlPullParser parser, int userId) 17667 throws XmlPullParserException, IOException { 17668 String pkgName = null; 17669 int outerDepth = parser.getDepth(); 17670 int type; 17671 while ((type = parser.next()) != XmlPullParser.END_DOCUMENT 17672 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 17673 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 17674 continue; 17675 } 17676 17677 final String tagName = parser.getName(); 17678 if (tagName.equals(TAG_GRANT)) { 17679 pkgName = parser.getAttributeValue(null, ATTR_PACKAGE_NAME); 17680 if (DEBUG_BACKUP) { 17681 Slog.v(TAG, "+++ Restoring grants for package " + pkgName); 17682 } 17683 } else if (tagName.equals(TAG_PERMISSION)) { 17684 17685 final boolean isGranted = "true".equals(parser.getAttributeValue(null, ATTR_IS_GRANTED)); 17686 final String permName = parser.getAttributeValue(null, ATTR_PERMISSION_NAME); 17687 17688 int newFlagSet = 0; 17689 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_SET))) { 17690 newFlagSet |= FLAG_PERMISSION_USER_SET; 17691 } 17692 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_FIXED))) { 17693 newFlagSet |= FLAG_PERMISSION_USER_FIXED; 17694 } 17695 if ("true".equals(parser.getAttributeValue(null, ATTR_REVOKE_ON_UPGRADE))) { 17696 newFlagSet |= FLAG_PERMISSION_REVOKE_ON_UPGRADE; 17697 } 17698 if (DEBUG_BACKUP) { 17699 Slog.v(TAG, " + Restoring grant: pkg=" + pkgName + " perm=" + permName 17700 + " granted=" + isGranted + " bits=0x" + Integer.toHexString(newFlagSet)); 17701 } 17702 final PackageSetting ps = mSettings.mPackages.get(pkgName); 17703 if (ps != null) { 17704 // Already installed so we apply the grant immediately 17705 if (DEBUG_BACKUP) { 17706 Slog.v(TAG, " + already installed; applying"); 17707 } 17708 PermissionsState perms = ps.getPermissionsState(); 17709 BasePermission bp = mSettings.mPermissions.get(permName); 17710 if (bp != null) { 17711 if (isGranted) { 17712 perms.grantRuntimePermission(bp, userId); 17713 } 17714 if (newFlagSet != 0) { 17715 perms.updatePermissionFlags(bp, userId, USER_RUNTIME_GRANT_MASK, newFlagSet); 17716 } 17717 } 17718 } else { 17719 // Need to wait for post-restore install to apply the grant 17720 if (DEBUG_BACKUP) { 17721 Slog.v(TAG, " - not yet installed; saving for later"); 17722 } 17723 mSettings.processRestoredPermissionGrantLPr(pkgName, permName, 17724 isGranted, newFlagSet, userId); 17725 } 17726 } else { 17727 PackageManagerService.reportSettingsProblem(Log.WARN, 17728 "Unknown element under <" + TAG_PERMISSION_BACKUP + ">: " + tagName); 17729 XmlUtils.skipCurrentTag(parser); 17730 } 17731 } 17732 17733 scheduleWriteSettingsLocked(); 17734 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 17735 } 17736 17737 @Override 17738 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 17739 int sourceUserId, int targetUserId, int flags) { 17740 mContext.enforceCallingOrSelfPermission( 17741 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 17742 int callingUid = Binder.getCallingUid(); 17743 enforceOwnerRights(ownerPackage, callingUid); 17744 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 17745 if (intentFilter.countActions() == 0) { 17746 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 17747 return; 17748 } 17749 synchronized (mPackages) { 17750 CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter, 17751 ownerPackage, targetUserId, flags); 17752 CrossProfileIntentResolver resolver = 17753 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 17754 ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter); 17755 // We have all those whose filter is equal. Now checking if the rest is equal as well. 17756 if (existing != null) { 17757 int size = existing.size(); 17758 for (int i = 0; i < size; i++) { 17759 if (newFilter.equalsIgnoreFilter(existing.get(i))) { 17760 return; 17761 } 17762 } 17763 } 17764 resolver.addFilter(newFilter); 17765 scheduleWritePackageRestrictionsLocked(sourceUserId); 17766 } 17767 } 17768 17769 @Override 17770 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage) { 17771 mContext.enforceCallingOrSelfPermission( 17772 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 17773 int callingUid = Binder.getCallingUid(); 17774 enforceOwnerRights(ownerPackage, callingUid); 17775 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 17776 synchronized (mPackages) { 17777 CrossProfileIntentResolver resolver = 17778 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 17779 ArraySet<CrossProfileIntentFilter> set = 17780 new ArraySet<CrossProfileIntentFilter>(resolver.filterSet()); 17781 for (CrossProfileIntentFilter filter : set) { 17782 if (filter.getOwnerPackage().equals(ownerPackage)) { 17783 resolver.removeFilter(filter); 17784 } 17785 } 17786 scheduleWritePackageRestrictionsLocked(sourceUserId); 17787 } 17788 } 17789 17790 // Enforcing that callingUid is owning pkg on userId 17791 private void enforceOwnerRights(String pkg, int callingUid) { 17792 // The system owns everything. 17793 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 17794 return; 17795 } 17796 int callingUserId = UserHandle.getUserId(callingUid); 17797 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 17798 if (pi == null) { 17799 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 17800 + callingUserId); 17801 } 17802 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 17803 throw new SecurityException("Calling uid " + callingUid 17804 + " does not own package " + pkg); 17805 } 17806 } 17807 17808 @Override 17809 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 17810 return getHomeActivitiesAsUser(allHomeCandidates, UserHandle.getCallingUserId()); 17811 } 17812 17813 private Intent getHomeIntent() { 17814 Intent intent = new Intent(Intent.ACTION_MAIN); 17815 intent.addCategory(Intent.CATEGORY_HOME); 17816 intent.addCategory(Intent.CATEGORY_DEFAULT); 17817 return intent; 17818 } 17819 17820 private IntentFilter getHomeFilter() { 17821 IntentFilter filter = new IntentFilter(Intent.ACTION_MAIN); 17822 filter.addCategory(Intent.CATEGORY_HOME); 17823 filter.addCategory(Intent.CATEGORY_DEFAULT); 17824 return filter; 17825 } 17826 17827 ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 17828 int userId) { 17829 Intent intent = getHomeIntent(); 17830 List<ResolveInfo> list = queryIntentActivitiesInternal(intent, null, 17831 PackageManager.GET_META_DATA, userId); 17832 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 17833 true, false, false, userId); 17834 17835 allHomeCandidates.clear(); 17836 if (list != null) { 17837 for (ResolveInfo ri : list) { 17838 allHomeCandidates.add(ri); 17839 } 17840 } 17841 return (preferred == null || preferred.activityInfo == null) 17842 ? null 17843 : new ComponentName(preferred.activityInfo.packageName, 17844 preferred.activityInfo.name); 17845 } 17846 17847 @Override 17848 public void setHomeActivity(ComponentName comp, int userId) { 17849 ArrayList<ResolveInfo> homeActivities = new ArrayList<>(); 17850 getHomeActivitiesAsUser(homeActivities, userId); 17851 17852 boolean found = false; 17853 17854 final int size = homeActivities.size(); 17855 final ComponentName[] set = new ComponentName[size]; 17856 for (int i = 0; i < size; i++) { 17857 final ResolveInfo candidate = homeActivities.get(i); 17858 final ActivityInfo info = candidate.activityInfo; 17859 final ComponentName activityName = new ComponentName(info.packageName, info.name); 17860 set[i] = activityName; 17861 if (!found && activityName.equals(comp)) { 17862 found = true; 17863 } 17864 } 17865 if (!found) { 17866 throw new IllegalArgumentException("Component " + comp + " cannot be home on user " 17867 + userId); 17868 } 17869 replacePreferredActivity(getHomeFilter(), IntentFilter.MATCH_CATEGORY_EMPTY, 17870 set, comp, userId); 17871 } 17872 17873 private @Nullable String getSetupWizardPackageName() { 17874 final Intent intent = new Intent(Intent.ACTION_MAIN); 17875 intent.addCategory(Intent.CATEGORY_SETUP_WIZARD); 17876 17877 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, null, 17878 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE 17879 | MATCH_DISABLED_COMPONENTS, 17880 UserHandle.myUserId()); 17881 if (matches.size() == 1) { 17882 return matches.get(0).getComponentInfo().packageName; 17883 } else { 17884 Slog.e(TAG, "There should probably be exactly one setup wizard; found " + matches.size() 17885 + ": matches=" + matches); 17886 return null; 17887 } 17888 } 17889 17890 private @Nullable String getStorageManagerPackageName() { 17891 final Intent intent = new Intent(StorageManager.ACTION_MANAGE_STORAGE); 17892 17893 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, null, 17894 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE 17895 | MATCH_DISABLED_COMPONENTS, 17896 UserHandle.myUserId()); 17897 if (matches.size() == 1) { 17898 return matches.get(0).getComponentInfo().packageName; 17899 } else { 17900 Slog.e(TAG, "There should probably be exactly one storage manager; found " 17901 + matches.size() + ": matches=" + matches); 17902 return null; 17903 } 17904 } 17905 17906 @Override 17907 public void setApplicationEnabledSetting(String appPackageName, 17908 int newState, int flags, int userId, String callingPackage) { 17909 if (!sUserManager.exists(userId)) return; 17910 if (callingPackage == null) { 17911 callingPackage = Integer.toString(Binder.getCallingUid()); 17912 } 17913 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 17914 } 17915 17916 @Override 17917 public void setComponentEnabledSetting(ComponentName componentName, 17918 int newState, int flags, int userId) { 17919 if (!sUserManager.exists(userId)) return; 17920 setEnabledSetting(componentName.getPackageName(), 17921 componentName.getClassName(), newState, flags, userId, null); 17922 } 17923 17924 private void setEnabledSetting(final String packageName, String className, int newState, 17925 final int flags, int userId, String callingPackage) { 17926 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 17927 || newState == COMPONENT_ENABLED_STATE_ENABLED 17928 || newState == COMPONENT_ENABLED_STATE_DISABLED 17929 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 17930 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 17931 throw new IllegalArgumentException("Invalid new component state: " 17932 + newState); 17933 } 17934 PackageSetting pkgSetting; 17935 final int uid = Binder.getCallingUid(); 17936 final int permission; 17937 if (uid == Process.SYSTEM_UID) { 17938 permission = PackageManager.PERMISSION_GRANTED; 17939 } else { 17940 permission = mContext.checkCallingOrSelfPermission( 17941 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 17942 } 17943 enforceCrossUserPermission(uid, userId, 17944 false /* requireFullPermission */, true /* checkShell */, "set enabled"); 17945 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 17946 boolean sendNow = false; 17947 boolean isApp = (className == null); 17948 String componentName = isApp ? packageName : className; 17949 int packageUid = -1; 17950 ArrayList<String> components; 17951 17952 // writer 17953 synchronized (mPackages) { 17954 pkgSetting = mSettings.mPackages.get(packageName); 17955 if (pkgSetting == null) { 17956 if (className == null) { 17957 throw new IllegalArgumentException("Unknown package: " + packageName); 17958 } 17959 throw new IllegalArgumentException( 17960 "Unknown component: " + packageName + "/" + className); 17961 } 17962 } 17963 17964 // Limit who can change which apps 17965 if (!UserHandle.isSameApp(uid, pkgSetting.appId)) { 17966 // Don't allow apps that don't have permission to modify other apps 17967 if (!allowedByPermission) { 17968 throw new SecurityException( 17969 "Permission Denial: attempt to change component state from pid=" 17970 + Binder.getCallingPid() 17971 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 17972 } 17973 // Don't allow changing protected packages. 17974 if (mProtectedPackages.isPackageStateProtected(userId, packageName)) { 17975 throw new SecurityException("Cannot disable a protected package: " + packageName); 17976 } 17977 } 17978 17979 synchronized (mPackages) { 17980 if (uid == Process.SHELL_UID) { 17981 // Shell can only change whole packages between ENABLED and DISABLED_USER states 17982 int oldState = pkgSetting.getEnabled(userId); 17983 if (className == null 17984 && 17985 (oldState == COMPONENT_ENABLED_STATE_DISABLED_USER 17986 || oldState == COMPONENT_ENABLED_STATE_DEFAULT 17987 || oldState == COMPONENT_ENABLED_STATE_ENABLED) 17988 && 17989 (newState == COMPONENT_ENABLED_STATE_DISABLED_USER 17990 || newState == COMPONENT_ENABLED_STATE_DEFAULT 17991 || newState == COMPONENT_ENABLED_STATE_ENABLED)) { 17992 // ok 17993 } else { 17994 throw new SecurityException( 17995 "Shell cannot change component state for " + packageName + "/" 17996 + className + " to " + newState); 17997 } 17998 } 17999 if (className == null) { 18000 // We're dealing with an application/package level state change 18001 if (pkgSetting.getEnabled(userId) == newState) { 18002 // Nothing to do 18003 return; 18004 } 18005 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 18006 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 18007 // Don't care about who enables an app. 18008 callingPackage = null; 18009 } 18010 pkgSetting.setEnabled(newState, userId, callingPackage); 18011 // pkgSetting.pkg.mSetEnabled = newState; 18012 } else { 18013 // We're dealing with a component level state change 18014 // First, verify that this is a valid class name. 18015 PackageParser.Package pkg = pkgSetting.pkg; 18016 if (pkg == null || !pkg.hasComponentClassName(className)) { 18017 if (pkg != null && 18018 pkg.applicationInfo.targetSdkVersion >= 18019 Build.VERSION_CODES.JELLY_BEAN) { 18020 throw new IllegalArgumentException("Component class " + className 18021 + " does not exist in " + packageName); 18022 } else { 18023 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 18024 + className + " does not exist in " + packageName); 18025 } 18026 } 18027 switch (newState) { 18028 case COMPONENT_ENABLED_STATE_ENABLED: 18029 if (!pkgSetting.enableComponentLPw(className, userId)) { 18030 return; 18031 } 18032 break; 18033 case COMPONENT_ENABLED_STATE_DISABLED: 18034 if (!pkgSetting.disableComponentLPw(className, userId)) { 18035 return; 18036 } 18037 break; 18038 case COMPONENT_ENABLED_STATE_DEFAULT: 18039 if (!pkgSetting.restoreComponentLPw(className, userId)) { 18040 return; 18041 } 18042 break; 18043 default: 18044 Slog.e(TAG, "Invalid new component state: " + newState); 18045 return; 18046 } 18047 } 18048 scheduleWritePackageRestrictionsLocked(userId); 18049 components = mPendingBroadcasts.get(userId, packageName); 18050 final boolean newPackage = components == null; 18051 if (newPackage) { 18052 components = new ArrayList<String>(); 18053 } 18054 if (!components.contains(componentName)) { 18055 components.add(componentName); 18056 } 18057 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 18058 sendNow = true; 18059 // Purge entry from pending broadcast list if another one exists already 18060 // since we are sending one right away. 18061 mPendingBroadcasts.remove(userId, packageName); 18062 } else { 18063 if (newPackage) { 18064 mPendingBroadcasts.put(userId, packageName, components); 18065 } 18066 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 18067 // Schedule a message 18068 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 18069 } 18070 } 18071 } 18072 18073 long callingId = Binder.clearCallingIdentity(); 18074 try { 18075 if (sendNow) { 18076 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 18077 sendPackageChangedBroadcast(packageName, 18078 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 18079 } 18080 } finally { 18081 Binder.restoreCallingIdentity(callingId); 18082 } 18083 } 18084 18085 @Override 18086 public void flushPackageRestrictionsAsUser(int userId) { 18087 if (!sUserManager.exists(userId)) { 18088 return; 18089 } 18090 enforceCrossUserPermission(Binder.getCallingUid(), userId, false /* requireFullPermission*/, 18091 false /* checkShell */, "flushPackageRestrictions"); 18092 synchronized (mPackages) { 18093 mSettings.writePackageRestrictionsLPr(userId); 18094 mDirtyUsers.remove(userId); 18095 if (mDirtyUsers.isEmpty()) { 18096 mHandler.removeMessages(WRITE_PACKAGE_RESTRICTIONS); 18097 } 18098 } 18099 } 18100 18101 private void sendPackageChangedBroadcast(String packageName, 18102 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 18103 if (DEBUG_INSTALL) 18104 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 18105 + componentNames); 18106 Bundle extras = new Bundle(4); 18107 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 18108 String nameList[] = new String[componentNames.size()]; 18109 componentNames.toArray(nameList); 18110 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 18111 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 18112 extras.putInt(Intent.EXTRA_UID, packageUid); 18113 // If this is not reporting a change of the overall package, then only send it 18114 // to registered receivers. We don't want to launch a swath of apps for every 18115 // little component state change. 18116 final int flags = !componentNames.contains(packageName) 18117 ? Intent.FLAG_RECEIVER_REGISTERED_ONLY : 0; 18118 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, flags, null, null, 18119 new int[] {UserHandle.getUserId(packageUid)}); 18120 } 18121 18122 @Override 18123 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 18124 if (!sUserManager.exists(userId)) return; 18125 final int uid = Binder.getCallingUid(); 18126 final int permission = mContext.checkCallingOrSelfPermission( 18127 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 18128 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 18129 enforceCrossUserPermission(uid, userId, 18130 true /* requireFullPermission */, true /* checkShell */, "stop package"); 18131 // writer 18132 synchronized (mPackages) { 18133 if (mSettings.setPackageStoppedStateLPw(this, packageName, stopped, 18134 allowedByPermission, uid, userId)) { 18135 scheduleWritePackageRestrictionsLocked(userId); 18136 } 18137 } 18138 } 18139 18140 @Override 18141 public String getInstallerPackageName(String packageName) { 18142 // reader 18143 synchronized (mPackages) { 18144 return mSettings.getInstallerPackageNameLPr(packageName); 18145 } 18146 } 18147 18148 public boolean isOrphaned(String packageName) { 18149 // reader 18150 synchronized (mPackages) { 18151 return mSettings.isOrphaned(packageName); 18152 } 18153 } 18154 18155 @Override 18156 public int getApplicationEnabledSetting(String packageName, int userId) { 18157 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 18158 int uid = Binder.getCallingUid(); 18159 enforceCrossUserPermission(uid, userId, 18160 false /* requireFullPermission */, false /* checkShell */, "get enabled"); 18161 // reader 18162 synchronized (mPackages) { 18163 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 18164 } 18165 } 18166 18167 @Override 18168 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 18169 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 18170 int uid = Binder.getCallingUid(); 18171 enforceCrossUserPermission(uid, userId, 18172 false /* requireFullPermission */, false /* checkShell */, "get component enabled"); 18173 // reader 18174 synchronized (mPackages) { 18175 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 18176 } 18177 } 18178 18179 @Override 18180 public void enterSafeMode() { 18181 enforceSystemOrRoot("Only the system can request entering safe mode"); 18182 18183 if (!mSystemReady) { 18184 mSafeMode = true; 18185 } 18186 } 18187 18188 @Override 18189 public void systemReady() { 18190 mSystemReady = true; 18191 18192 // Disable any carrier apps. We do this very early in boot to prevent the apps from being 18193 // disabled after already being started. 18194 CarrierAppUtils.disableCarrierAppsUntilPrivileged(mContext.getOpPackageName(), this, 18195 mContext.getContentResolver(), UserHandle.USER_SYSTEM); 18196 18197 // Read the compatibilty setting when the system is ready. 18198 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 18199 mContext.getContentResolver(), 18200 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 18201 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 18202 if (DEBUG_SETTINGS) { 18203 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 18204 } 18205 18206 int[] grantPermissionsUserIds = EMPTY_INT_ARRAY; 18207 18208 synchronized (mPackages) { 18209 // Verify that all of the preferred activity components actually 18210 // exist. It is possible for applications to be updated and at 18211 // that point remove a previously declared activity component that 18212 // had been set as a preferred activity. We try to clean this up 18213 // the next time we encounter that preferred activity, but it is 18214 // possible for the user flow to never be able to return to that 18215 // situation so here we do a sanity check to make sure we haven't 18216 // left any junk around. 18217 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 18218 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 18219 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 18220 removed.clear(); 18221 for (PreferredActivity pa : pir.filterSet()) { 18222 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 18223 removed.add(pa); 18224 } 18225 } 18226 if (removed.size() > 0) { 18227 for (int r=0; r<removed.size(); r++) { 18228 PreferredActivity pa = removed.get(r); 18229 Slog.w(TAG, "Removing dangling preferred activity: " 18230 + pa.mPref.mComponent); 18231 pir.removeFilter(pa); 18232 } 18233 mSettings.writePackageRestrictionsLPr( 18234 mSettings.mPreferredActivities.keyAt(i)); 18235 } 18236 } 18237 18238 for (int userId : UserManagerService.getInstance().getUserIds()) { 18239 if (!mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 18240 grantPermissionsUserIds = ArrayUtils.appendInt( 18241 grantPermissionsUserIds, userId); 18242 } 18243 } 18244 } 18245 sUserManager.systemReady(); 18246 18247 // If we upgraded grant all default permissions before kicking off. 18248 for (int userId : grantPermissionsUserIds) { 18249 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 18250 } 18251 18252 // If we did not grant default permissions, we preload from this the 18253 // default permission exceptions lazily to ensure we don't hit the 18254 // disk on a new user creation. 18255 if (grantPermissionsUserIds == EMPTY_INT_ARRAY) { 18256 mDefaultPermissionPolicy.scheduleReadDefaultPermissionExceptions(); 18257 } 18258 18259 // Kick off any messages waiting for system ready 18260 if (mPostSystemReadyMessages != null) { 18261 for (Message msg : mPostSystemReadyMessages) { 18262 msg.sendToTarget(); 18263 } 18264 mPostSystemReadyMessages = null; 18265 } 18266 18267 // Watch for external volumes that come and go over time 18268 final StorageManager storage = mContext.getSystemService(StorageManager.class); 18269 storage.registerListener(mStorageListener); 18270 18271 mInstallerService.systemReady(); 18272 mPackageDexOptimizer.systemReady(); 18273 18274 MountServiceInternal mountServiceInternal = LocalServices.getService( 18275 MountServiceInternal.class); 18276 mountServiceInternal.addExternalStoragePolicy( 18277 new MountServiceInternal.ExternalStorageMountPolicy() { 18278 @Override 18279 public int getMountMode(int uid, String packageName) { 18280 if (Process.isIsolated(uid)) { 18281 return Zygote.MOUNT_EXTERNAL_NONE; 18282 } 18283 if (checkUidPermission(WRITE_MEDIA_STORAGE, uid) == PERMISSION_GRANTED) { 18284 return Zygote.MOUNT_EXTERNAL_DEFAULT; 18285 } 18286 if (checkUidPermission(READ_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 18287 return Zygote.MOUNT_EXTERNAL_DEFAULT; 18288 } 18289 if (checkUidPermission(WRITE_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 18290 return Zygote.MOUNT_EXTERNAL_READ; 18291 } 18292 return Zygote.MOUNT_EXTERNAL_WRITE; 18293 } 18294 18295 @Override 18296 public boolean hasExternalStorage(int uid, String packageName) { 18297 return true; 18298 } 18299 }); 18300 18301 // Now that we're mostly running, clean up stale users and apps 18302 reconcileUsers(StorageManager.UUID_PRIVATE_INTERNAL); 18303 reconcileApps(StorageManager.UUID_PRIVATE_INTERNAL); 18304 } 18305 18306 @Override 18307 public boolean isSafeMode() { 18308 return mSafeMode; 18309 } 18310 18311 @Override 18312 public boolean hasSystemUidErrors() { 18313 return mHasSystemUidErrors; 18314 } 18315 18316 static String arrayToString(int[] array) { 18317 StringBuffer buf = new StringBuffer(128); 18318 buf.append('['); 18319 if (array != null) { 18320 for (int i=0; i<array.length; i++) { 18321 if (i > 0) buf.append(", "); 18322 buf.append(array[i]); 18323 } 18324 } 18325 buf.append(']'); 18326 return buf.toString(); 18327 } 18328 18329 static class DumpState { 18330 public static final int DUMP_LIBS = 1 << 0; 18331 public static final int DUMP_FEATURES = 1 << 1; 18332 public static final int DUMP_ACTIVITY_RESOLVERS = 1 << 2; 18333 public static final int DUMP_SERVICE_RESOLVERS = 1 << 3; 18334 public static final int DUMP_RECEIVER_RESOLVERS = 1 << 4; 18335 public static final int DUMP_CONTENT_RESOLVERS = 1 << 5; 18336 public static final int DUMP_PERMISSIONS = 1 << 6; 18337 public static final int DUMP_PACKAGES = 1 << 7; 18338 public static final int DUMP_SHARED_USERS = 1 << 8; 18339 public static final int DUMP_MESSAGES = 1 << 9; 18340 public static final int DUMP_PROVIDERS = 1 << 10; 18341 public static final int DUMP_VERIFIERS = 1 << 11; 18342 public static final int DUMP_PREFERRED = 1 << 12; 18343 public static final int DUMP_PREFERRED_XML = 1 << 13; 18344 public static final int DUMP_KEYSETS = 1 << 14; 18345 public static final int DUMP_VERSION = 1 << 15; 18346 public static final int DUMP_INSTALLS = 1 << 16; 18347 public static final int DUMP_INTENT_FILTER_VERIFIERS = 1 << 17; 18348 public static final int DUMP_DOMAIN_PREFERRED = 1 << 18; 18349 public static final int DUMP_FROZEN = 1 << 19; 18350 public static final int DUMP_DEXOPT = 1 << 20; 18351 public static final int DUMP_COMPILER_STATS = 1 << 21; 18352 18353 public static final int OPTION_SHOW_FILTERS = 1 << 0; 18354 18355 private int mTypes; 18356 18357 private int mOptions; 18358 18359 private boolean mTitlePrinted; 18360 18361 private SharedUserSetting mSharedUser; 18362 18363 public boolean isDumping(int type) { 18364 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 18365 return true; 18366 } 18367 18368 return (mTypes & type) != 0; 18369 } 18370 18371 public void setDump(int type) { 18372 mTypes |= type; 18373 } 18374 18375 public boolean isOptionEnabled(int option) { 18376 return (mOptions & option) != 0; 18377 } 18378 18379 public void setOptionEnabled(int option) { 18380 mOptions |= option; 18381 } 18382 18383 public boolean onTitlePrinted() { 18384 final boolean printed = mTitlePrinted; 18385 mTitlePrinted = true; 18386 return printed; 18387 } 18388 18389 public boolean getTitlePrinted() { 18390 return mTitlePrinted; 18391 } 18392 18393 public void setTitlePrinted(boolean enabled) { 18394 mTitlePrinted = enabled; 18395 } 18396 18397 public SharedUserSetting getSharedUser() { 18398 return mSharedUser; 18399 } 18400 18401 public void setSharedUser(SharedUserSetting user) { 18402 mSharedUser = user; 18403 } 18404 } 18405 18406 @Override 18407 public void onShellCommand(FileDescriptor in, FileDescriptor out, 18408 FileDescriptor err, String[] args, ResultReceiver resultReceiver) { 18409 (new PackageManagerShellCommand(this)).exec( 18410 this, in, out, err, args, resultReceiver); 18411 } 18412 18413 @Override 18414 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 18415 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 18416 != PackageManager.PERMISSION_GRANTED) { 18417 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 18418 + Binder.getCallingPid() 18419 + ", uid=" + Binder.getCallingUid() 18420 + " without permission " 18421 + android.Manifest.permission.DUMP); 18422 return; 18423 } 18424 18425 DumpState dumpState = new DumpState(); 18426 boolean fullPreferred = false; 18427 boolean checkin = false; 18428 18429 String packageName = null; 18430 ArraySet<String> permissionNames = null; 18431 18432 int opti = 0; 18433 while (opti < args.length) { 18434 String opt = args[opti]; 18435 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 18436 break; 18437 } 18438 opti++; 18439 18440 if ("-a".equals(opt)) { 18441 // Right now we only know how to print all. 18442 } else if ("-h".equals(opt)) { 18443 pw.println("Package manager dump options:"); 18444 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 18445 pw.println(" --checkin: dump for a checkin"); 18446 pw.println(" -f: print details of intent filters"); 18447 pw.println(" -h: print this help"); 18448 pw.println(" cmd may be one of:"); 18449 pw.println(" l[ibraries]: list known shared libraries"); 18450 pw.println(" f[eatures]: list device features"); 18451 pw.println(" k[eysets]: print known keysets"); 18452 pw.println(" r[esolvers] [activity|service|receiver|content]: dump intent resolvers"); 18453 pw.println(" perm[issions]: dump permissions"); 18454 pw.println(" permission [name ...]: dump declaration and use of given permission"); 18455 pw.println(" pref[erred]: print preferred package settings"); 18456 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 18457 pw.println(" prov[iders]: dump content providers"); 18458 pw.println(" p[ackages]: dump installed packages"); 18459 pw.println(" s[hared-users]: dump shared user IDs"); 18460 pw.println(" m[essages]: print collected runtime messages"); 18461 pw.println(" v[erifiers]: print package verifier info"); 18462 pw.println(" d[omain-preferred-apps]: print domains preferred apps"); 18463 pw.println(" i[ntent-filter-verifiers]|ifv: print intent filter verifier info"); 18464 pw.println(" version: print database version info"); 18465 pw.println(" write: write current settings now"); 18466 pw.println(" installs: details about install sessions"); 18467 pw.println(" check-permission <permission> <package> [<user>]: does pkg hold perm?"); 18468 pw.println(" dexopt: dump dexopt state"); 18469 pw.println(" compiler-stats: dump compiler statistics"); 18470 pw.println(" <package.name>: info about given package"); 18471 return; 18472 } else if ("--checkin".equals(opt)) { 18473 checkin = true; 18474 } else if ("-f".equals(opt)) { 18475 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 18476 } else { 18477 pw.println("Unknown argument: " + opt + "; use -h for help"); 18478 } 18479 } 18480 18481 // Is the caller requesting to dump a particular piece of data? 18482 if (opti < args.length) { 18483 String cmd = args[opti]; 18484 opti++; 18485 // Is this a package name? 18486 if ("android".equals(cmd) || cmd.contains(".")) { 18487 packageName = cmd; 18488 // When dumping a single package, we always dump all of its 18489 // filter information since the amount of data will be reasonable. 18490 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 18491 } else if ("check-permission".equals(cmd)) { 18492 if (opti >= args.length) { 18493 pw.println("Error: check-permission missing permission argument"); 18494 return; 18495 } 18496 String perm = args[opti]; 18497 opti++; 18498 if (opti >= args.length) { 18499 pw.println("Error: check-permission missing package argument"); 18500 return; 18501 } 18502 String pkg = args[opti]; 18503 opti++; 18504 int user = UserHandle.getUserId(Binder.getCallingUid()); 18505 if (opti < args.length) { 18506 try { 18507 user = Integer.parseInt(args[opti]); 18508 } catch (NumberFormatException e) { 18509 pw.println("Error: check-permission user argument is not a number: " 18510 + args[opti]); 18511 return; 18512 } 18513 } 18514 pw.println(checkPermission(perm, pkg, user)); 18515 return; 18516 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 18517 dumpState.setDump(DumpState.DUMP_LIBS); 18518 } else if ("f".equals(cmd) || "features".equals(cmd)) { 18519 dumpState.setDump(DumpState.DUMP_FEATURES); 18520 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 18521 if (opti >= args.length) { 18522 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS 18523 | DumpState.DUMP_SERVICE_RESOLVERS 18524 | DumpState.DUMP_RECEIVER_RESOLVERS 18525 | DumpState.DUMP_CONTENT_RESOLVERS); 18526 } else { 18527 while (opti < args.length) { 18528 String name = args[opti]; 18529 if ("a".equals(name) || "activity".equals(name)) { 18530 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS); 18531 } else if ("s".equals(name) || "service".equals(name)) { 18532 dumpState.setDump(DumpState.DUMP_SERVICE_RESOLVERS); 18533 } else if ("r".equals(name) || "receiver".equals(name)) { 18534 dumpState.setDump(DumpState.DUMP_RECEIVER_RESOLVERS); 18535 } else if ("c".equals(name) || "content".equals(name)) { 18536 dumpState.setDump(DumpState.DUMP_CONTENT_RESOLVERS); 18537 } else { 18538 pw.println("Error: unknown resolver table type: " + name); 18539 return; 18540 } 18541 opti++; 18542 } 18543 } 18544 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 18545 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 18546 } else if ("permission".equals(cmd)) { 18547 if (opti >= args.length) { 18548 pw.println("Error: permission requires permission name"); 18549 return; 18550 } 18551 permissionNames = new ArraySet<>(); 18552 while (opti < args.length) { 18553 permissionNames.add(args[opti]); 18554 opti++; 18555 } 18556 dumpState.setDump(DumpState.DUMP_PERMISSIONS 18557 | DumpState.DUMP_PACKAGES | DumpState.DUMP_SHARED_USERS); 18558 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 18559 dumpState.setDump(DumpState.DUMP_PREFERRED); 18560 } else if ("preferred-xml".equals(cmd)) { 18561 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 18562 if (opti < args.length && "--full".equals(args[opti])) { 18563 fullPreferred = true; 18564 opti++; 18565 } 18566 } else if ("d".equals(cmd) || "domain-preferred-apps".equals(cmd)) { 18567 dumpState.setDump(DumpState.DUMP_DOMAIN_PREFERRED); 18568 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 18569 dumpState.setDump(DumpState.DUMP_PACKAGES); 18570 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 18571 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 18572 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 18573 dumpState.setDump(DumpState.DUMP_PROVIDERS); 18574 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 18575 dumpState.setDump(DumpState.DUMP_MESSAGES); 18576 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 18577 dumpState.setDump(DumpState.DUMP_VERIFIERS); 18578 } else if ("i".equals(cmd) || "ifv".equals(cmd) 18579 || "intent-filter-verifiers".equals(cmd)) { 18580 dumpState.setDump(DumpState.DUMP_INTENT_FILTER_VERIFIERS); 18581 } else if ("version".equals(cmd)) { 18582 dumpState.setDump(DumpState.DUMP_VERSION); 18583 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 18584 dumpState.setDump(DumpState.DUMP_KEYSETS); 18585 } else if ("installs".equals(cmd)) { 18586 dumpState.setDump(DumpState.DUMP_INSTALLS); 18587 } else if ("frozen".equals(cmd)) { 18588 dumpState.setDump(DumpState.DUMP_FROZEN); 18589 } else if ("dexopt".equals(cmd)) { 18590 dumpState.setDump(DumpState.DUMP_DEXOPT); 18591 } else if ("compiler-stats".equals(cmd)) { 18592 dumpState.setDump(DumpState.DUMP_COMPILER_STATS); 18593 } else if ("write".equals(cmd)) { 18594 synchronized (mPackages) { 18595 mSettings.writeLPr(); 18596 pw.println("Settings written."); 18597 return; 18598 } 18599 } 18600 } 18601 18602 if (checkin) { 18603 pw.println("vers,1"); 18604 } 18605 18606 // reader 18607 synchronized (mPackages) { 18608 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 18609 if (!checkin) { 18610 if (dumpState.onTitlePrinted()) 18611 pw.println(); 18612 pw.println("Database versions:"); 18613 mSettings.dumpVersionLPr(new IndentingPrintWriter(pw, " ")); 18614 } 18615 } 18616 18617 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 18618 if (!checkin) { 18619 if (dumpState.onTitlePrinted()) 18620 pw.println(); 18621 pw.println("Verifiers:"); 18622 pw.print(" Required: "); 18623 pw.print(mRequiredVerifierPackage); 18624 pw.print(" (uid="); 18625 pw.print(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 18626 UserHandle.USER_SYSTEM)); 18627 pw.println(")"); 18628 } else if (mRequiredVerifierPackage != null) { 18629 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 18630 pw.print(","); 18631 pw.println(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 18632 UserHandle.USER_SYSTEM)); 18633 } 18634 } 18635 18636 if (dumpState.isDumping(DumpState.DUMP_INTENT_FILTER_VERIFIERS) && 18637 packageName == null) { 18638 if (mIntentFilterVerifierComponent != null) { 18639 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 18640 if (!checkin) { 18641 if (dumpState.onTitlePrinted()) 18642 pw.println(); 18643 pw.println("Intent Filter Verifier:"); 18644 pw.print(" Using: "); 18645 pw.print(verifierPackageName); 18646 pw.print(" (uid="); 18647 pw.print(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 18648 UserHandle.USER_SYSTEM)); 18649 pw.println(")"); 18650 } else if (verifierPackageName != null) { 18651 pw.print("ifv,"); pw.print(verifierPackageName); 18652 pw.print(","); 18653 pw.println(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 18654 UserHandle.USER_SYSTEM)); 18655 } 18656 } else { 18657 pw.println(); 18658 pw.println("No Intent Filter Verifier available!"); 18659 } 18660 } 18661 18662 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 18663 boolean printedHeader = false; 18664 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 18665 while (it.hasNext()) { 18666 String name = it.next(); 18667 SharedLibraryEntry ent = mSharedLibraries.get(name); 18668 if (!checkin) { 18669 if (!printedHeader) { 18670 if (dumpState.onTitlePrinted()) 18671 pw.println(); 18672 pw.println("Libraries:"); 18673 printedHeader = true; 18674 } 18675 pw.print(" "); 18676 } else { 18677 pw.print("lib,"); 18678 } 18679 pw.print(name); 18680 if (!checkin) { 18681 pw.print(" -> "); 18682 } 18683 if (ent.path != null) { 18684 if (!checkin) { 18685 pw.print("(jar) "); 18686 pw.print(ent.path); 18687 } else { 18688 pw.print(",jar,"); 18689 pw.print(ent.path); 18690 } 18691 } else { 18692 if (!checkin) { 18693 pw.print("(apk) "); 18694 pw.print(ent.apk); 18695 } else { 18696 pw.print(",apk,"); 18697 pw.print(ent.apk); 18698 } 18699 } 18700 pw.println(); 18701 } 18702 } 18703 18704 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 18705 if (dumpState.onTitlePrinted()) 18706 pw.println(); 18707 if (!checkin) { 18708 pw.println("Features:"); 18709 } 18710 18711 for (FeatureInfo feat : mAvailableFeatures.values()) { 18712 if (checkin) { 18713 pw.print("feat,"); 18714 pw.print(feat.name); 18715 pw.print(","); 18716 pw.println(feat.version); 18717 } else { 18718 pw.print(" "); 18719 pw.print(feat.name); 18720 if (feat.version > 0) { 18721 pw.print(" version="); 18722 pw.print(feat.version); 18723 } 18724 pw.println(); 18725 } 18726 } 18727 } 18728 18729 if (!checkin && dumpState.isDumping(DumpState.DUMP_ACTIVITY_RESOLVERS)) { 18730 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 18731 : "Activity Resolver Table:", " ", packageName, 18732 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18733 dumpState.setTitlePrinted(true); 18734 } 18735 } 18736 if (!checkin && dumpState.isDumping(DumpState.DUMP_RECEIVER_RESOLVERS)) { 18737 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 18738 : "Receiver Resolver Table:", " ", packageName, 18739 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18740 dumpState.setTitlePrinted(true); 18741 } 18742 } 18743 if (!checkin && dumpState.isDumping(DumpState.DUMP_SERVICE_RESOLVERS)) { 18744 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 18745 : "Service Resolver Table:", " ", packageName, 18746 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18747 dumpState.setTitlePrinted(true); 18748 } 18749 } 18750 if (!checkin && dumpState.isDumping(DumpState.DUMP_CONTENT_RESOLVERS)) { 18751 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 18752 : "Provider Resolver Table:", " ", packageName, 18753 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18754 dumpState.setTitlePrinted(true); 18755 } 18756 } 18757 18758 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 18759 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 18760 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 18761 int user = mSettings.mPreferredActivities.keyAt(i); 18762 if (pir.dump(pw, 18763 dumpState.getTitlePrinted() 18764 ? "\nPreferred Activities User " + user + ":" 18765 : "Preferred Activities User " + user + ":", " ", 18766 packageName, true, false)) { 18767 dumpState.setTitlePrinted(true); 18768 } 18769 } 18770 } 18771 18772 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 18773 pw.flush(); 18774 FileOutputStream fout = new FileOutputStream(fd); 18775 BufferedOutputStream str = new BufferedOutputStream(fout); 18776 XmlSerializer serializer = new FastXmlSerializer(); 18777 try { 18778 serializer.setOutput(str, StandardCharsets.UTF_8.name()); 18779 serializer.startDocument(null, true); 18780 serializer.setFeature( 18781 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 18782 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 18783 serializer.endDocument(); 18784 serializer.flush(); 18785 } catch (IllegalArgumentException e) { 18786 pw.println("Failed writing: " + e); 18787 } catch (IllegalStateException e) { 18788 pw.println("Failed writing: " + e); 18789 } catch (IOException e) { 18790 pw.println("Failed writing: " + e); 18791 } 18792 } 18793 18794 if (!checkin 18795 && dumpState.isDumping(DumpState.DUMP_DOMAIN_PREFERRED) 18796 && packageName == null) { 18797 pw.println(); 18798 int count = mSettings.mPackages.size(); 18799 if (count == 0) { 18800 pw.println("No applications!"); 18801 pw.println(); 18802 } else { 18803 final String prefix = " "; 18804 Collection<PackageSetting> allPackageSettings = mSettings.mPackages.values(); 18805 if (allPackageSettings.size() == 0) { 18806 pw.println("No domain preferred apps!"); 18807 pw.println(); 18808 } else { 18809 pw.println("App verification status:"); 18810 pw.println(); 18811 count = 0; 18812 for (PackageSetting ps : allPackageSettings) { 18813 IntentFilterVerificationInfo ivi = ps.getIntentFilterVerificationInfo(); 18814 if (ivi == null || ivi.getPackageName() == null) continue; 18815 pw.println(prefix + "Package: " + ivi.getPackageName()); 18816 pw.println(prefix + "Domains: " + ivi.getDomainsString()); 18817 pw.println(prefix + "Status: " + ivi.getStatusString()); 18818 pw.println(); 18819 count++; 18820 } 18821 if (count == 0) { 18822 pw.println(prefix + "No app verification established."); 18823 pw.println(); 18824 } 18825 for (int userId : sUserManager.getUserIds()) { 18826 pw.println("App linkages for user " + userId + ":"); 18827 pw.println(); 18828 count = 0; 18829 for (PackageSetting ps : allPackageSettings) { 18830 final long status = ps.getDomainVerificationStatusForUser(userId); 18831 if (status >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 18832 continue; 18833 } 18834 pw.println(prefix + "Package: " + ps.name); 18835 pw.println(prefix + "Domains: " + dumpDomainString(ps.name)); 18836 String statusStr = IntentFilterVerificationInfo. 18837 getStatusStringFromValue(status); 18838 pw.println(prefix + "Status: " + statusStr); 18839 pw.println(); 18840 count++; 18841 } 18842 if (count == 0) { 18843 pw.println(prefix + "No configured app linkages."); 18844 pw.println(); 18845 } 18846 } 18847 } 18848 } 18849 } 18850 18851 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 18852 mSettings.dumpPermissionsLPr(pw, packageName, permissionNames, dumpState); 18853 if (packageName == null && permissionNames == null) { 18854 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 18855 if (iperm == 0) { 18856 if (dumpState.onTitlePrinted()) 18857 pw.println(); 18858 pw.println("AppOp Permissions:"); 18859 } 18860 pw.print(" AppOp Permission "); 18861 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 18862 pw.println(":"); 18863 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 18864 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 18865 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 18866 } 18867 } 18868 } 18869 } 18870 18871 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 18872 boolean printedSomething = false; 18873 for (PackageParser.Provider p : mProviders.mProviders.values()) { 18874 if (packageName != null && !packageName.equals(p.info.packageName)) { 18875 continue; 18876 } 18877 if (!printedSomething) { 18878 if (dumpState.onTitlePrinted()) 18879 pw.println(); 18880 pw.println("Registered ContentProviders:"); 18881 printedSomething = true; 18882 } 18883 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 18884 pw.print(" "); pw.println(p.toString()); 18885 } 18886 printedSomething = false; 18887 for (Map.Entry<String, PackageParser.Provider> entry : 18888 mProvidersByAuthority.entrySet()) { 18889 PackageParser.Provider p = entry.getValue(); 18890 if (packageName != null && !packageName.equals(p.info.packageName)) { 18891 continue; 18892 } 18893 if (!printedSomething) { 18894 if (dumpState.onTitlePrinted()) 18895 pw.println(); 18896 pw.println("ContentProvider Authorities:"); 18897 printedSomething = true; 18898 } 18899 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 18900 pw.print(" "); pw.println(p.toString()); 18901 if (p.info != null && p.info.applicationInfo != null) { 18902 final String appInfo = p.info.applicationInfo.toString(); 18903 pw.print(" applicationInfo="); pw.println(appInfo); 18904 } 18905 } 18906 } 18907 18908 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 18909 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 18910 } 18911 18912 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 18913 mSettings.dumpPackagesLPr(pw, packageName, permissionNames, dumpState, checkin); 18914 } 18915 18916 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 18917 mSettings.dumpSharedUsersLPr(pw, packageName, permissionNames, dumpState, checkin); 18918 } 18919 18920 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS) && packageName == null) { 18921 mSettings.dumpRestoredPermissionGrantsLPr(pw, dumpState); 18922 } 18923 18924 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 18925 // XXX should handle packageName != null by dumping only install data that 18926 // the given package is involved with. 18927 if (dumpState.onTitlePrinted()) pw.println(); 18928 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 18929 } 18930 18931 if (!checkin && dumpState.isDumping(DumpState.DUMP_FROZEN) && packageName == null) { 18932 // XXX should handle packageName != null by dumping only install data that 18933 // the given package is involved with. 18934 if (dumpState.onTitlePrinted()) pw.println(); 18935 18936 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 18937 ipw.println(); 18938 ipw.println("Frozen packages:"); 18939 ipw.increaseIndent(); 18940 if (mFrozenPackages.size() == 0) { 18941 ipw.println("(none)"); 18942 } else { 18943 for (int i = 0; i < mFrozenPackages.size(); i++) { 18944 ipw.println(mFrozenPackages.valueAt(i)); 18945 } 18946 } 18947 ipw.decreaseIndent(); 18948 } 18949 18950 if (!checkin && dumpState.isDumping(DumpState.DUMP_DEXOPT)) { 18951 if (dumpState.onTitlePrinted()) pw.println(); 18952 dumpDexoptStateLPr(pw, packageName); 18953 } 18954 18955 if (!checkin && dumpState.isDumping(DumpState.DUMP_COMPILER_STATS)) { 18956 if (dumpState.onTitlePrinted()) pw.println(); 18957 dumpCompilerStatsLPr(pw, packageName); 18958 } 18959 18960 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 18961 if (dumpState.onTitlePrinted()) pw.println(); 18962 mSettings.dumpReadMessagesLPr(pw, dumpState); 18963 18964 pw.println(); 18965 pw.println("Package warning messages:"); 18966 BufferedReader in = null; 18967 String line = null; 18968 try { 18969 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 18970 while ((line = in.readLine()) != null) { 18971 if (line.contains("ignored: updated version")) continue; 18972 pw.println(line); 18973 } 18974 } catch (IOException ignored) { 18975 } finally { 18976 IoUtils.closeQuietly(in); 18977 } 18978 } 18979 18980 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 18981 BufferedReader in = null; 18982 String line = null; 18983 try { 18984 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 18985 while ((line = in.readLine()) != null) { 18986 if (line.contains("ignored: updated version")) continue; 18987 pw.print("msg,"); 18988 pw.println(line); 18989 } 18990 } catch (IOException ignored) { 18991 } finally { 18992 IoUtils.closeQuietly(in); 18993 } 18994 } 18995 } 18996 } 18997 18998 private void dumpDexoptStateLPr(PrintWriter pw, String packageName) { 18999 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 19000 ipw.println(); 19001 ipw.println("Dexopt state:"); 19002 ipw.increaseIndent(); 19003 Collection<PackageParser.Package> packages = null; 19004 if (packageName != null) { 19005 PackageParser.Package targetPackage = mPackages.get(packageName); 19006 if (targetPackage != null) { 19007 packages = Collections.singletonList(targetPackage); 19008 } else { 19009 ipw.println("Unable to find package: " + packageName); 19010 return; 19011 } 19012 } else { 19013 packages = mPackages.values(); 19014 } 19015 19016 for (PackageParser.Package pkg : packages) { 19017 ipw.println("[" + pkg.packageName + "]"); 19018 ipw.increaseIndent(); 19019 mPackageDexOptimizer.dumpDexoptState(ipw, pkg); 19020 ipw.decreaseIndent(); 19021 } 19022 } 19023 19024 private void dumpCompilerStatsLPr(PrintWriter pw, String packageName) { 19025 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 19026 ipw.println(); 19027 ipw.println("Compiler stats:"); 19028 ipw.increaseIndent(); 19029 Collection<PackageParser.Package> packages = null; 19030 if (packageName != null) { 19031 PackageParser.Package targetPackage = mPackages.get(packageName); 19032 if (targetPackage != null) { 19033 packages = Collections.singletonList(targetPackage); 19034 } else { 19035 ipw.println("Unable to find package: " + packageName); 19036 return; 19037 } 19038 } else { 19039 packages = mPackages.values(); 19040 } 19041 19042 for (PackageParser.Package pkg : packages) { 19043 ipw.println("[" + pkg.packageName + "]"); 19044 ipw.increaseIndent(); 19045 19046 CompilerStats.PackageStats stats = getCompilerPackageStats(pkg.packageName); 19047 if (stats == null) { 19048 ipw.println("(No recorded stats)"); 19049 } else { 19050 stats.dump(ipw); 19051 } 19052 ipw.decreaseIndent(); 19053 } 19054 } 19055 19056 private String dumpDomainString(String packageName) { 19057 List<IntentFilterVerificationInfo> iviList = getIntentFilterVerifications(packageName) 19058 .getList(); 19059 List<IntentFilter> filters = getAllIntentFilters(packageName).getList(); 19060 19061 ArraySet<String> result = new ArraySet<>(); 19062 if (iviList.size() > 0) { 19063 for (IntentFilterVerificationInfo ivi : iviList) { 19064 for (String host : ivi.getDomains()) { 19065 result.add(host); 19066 } 19067 } 19068 } 19069 if (filters != null && filters.size() > 0) { 19070 for (IntentFilter filter : filters) { 19071 if (filter.hasCategory(Intent.CATEGORY_BROWSABLE) 19072 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 19073 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS))) { 19074 result.addAll(filter.getHostsList()); 19075 } 19076 } 19077 } 19078 19079 StringBuilder sb = new StringBuilder(result.size() * 16); 19080 for (String domain : result) { 19081 if (sb.length() > 0) sb.append(" "); 19082 sb.append(domain); 19083 } 19084 return sb.toString(); 19085 } 19086 19087 // ------- apps on sdcard specific code ------- 19088 static final boolean DEBUG_SD_INSTALL = false; 19089 19090 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 19091 19092 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 19093 19094 private boolean mMediaMounted = false; 19095 19096 static String getEncryptKey() { 19097 try { 19098 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 19099 SD_ENCRYPTION_KEYSTORE_NAME); 19100 if (sdEncKey == null) { 19101 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 19102 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 19103 if (sdEncKey == null) { 19104 Slog.e(TAG, "Failed to create encryption keys"); 19105 return null; 19106 } 19107 } 19108 return sdEncKey; 19109 } catch (NoSuchAlgorithmException nsae) { 19110 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 19111 return null; 19112 } catch (IOException ioe) { 19113 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 19114 return null; 19115 } 19116 } 19117 19118 /* 19119 * Update media status on PackageManager. 19120 */ 19121 @Override 19122 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 19123 int callingUid = Binder.getCallingUid(); 19124 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 19125 throw new SecurityException("Media status can only be updated by the system"); 19126 } 19127 // reader; this apparently protects mMediaMounted, but should probably 19128 // be a different lock in that case. 19129 synchronized (mPackages) { 19130 Log.i(TAG, "Updating external media status from " 19131 + (mMediaMounted ? "mounted" : "unmounted") + " to " 19132 + (mediaStatus ? "mounted" : "unmounted")); 19133 if (DEBUG_SD_INSTALL) 19134 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 19135 + ", mMediaMounted=" + mMediaMounted); 19136 if (mediaStatus == mMediaMounted) { 19137 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 19138 : 0, -1); 19139 mHandler.sendMessage(msg); 19140 return; 19141 } 19142 mMediaMounted = mediaStatus; 19143 } 19144 // Queue up an async operation since the package installation may take a 19145 // little while. 19146 mHandler.post(new Runnable() { 19147 public void run() { 19148 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 19149 } 19150 }); 19151 } 19152 19153 /** 19154 * Called by MountService when the initial ASECs to scan are available. 19155 * Should block until all the ASEC containers are finished being scanned. 19156 */ 19157 public void scanAvailableAsecs() { 19158 updateExternalMediaStatusInner(true, false, false); 19159 } 19160 19161 /* 19162 * Collect information of applications on external media, map them against 19163 * existing containers and update information based on current mount status. 19164 * Please note that we always have to report status if reportStatus has been 19165 * set to true especially when unloading packages. 19166 */ 19167 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 19168 boolean externalStorage) { 19169 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 19170 int[] uidArr = EmptyArray.INT; 19171 19172 final String[] list = PackageHelper.getSecureContainerList(); 19173 if (ArrayUtils.isEmpty(list)) { 19174 Log.i(TAG, "No secure containers found"); 19175 } else { 19176 // Process list of secure containers and categorize them 19177 // as active or stale based on their package internal state. 19178 19179 // reader 19180 synchronized (mPackages) { 19181 for (String cid : list) { 19182 // Leave stages untouched for now; installer service owns them 19183 if (PackageInstallerService.isStageName(cid)) continue; 19184 19185 if (DEBUG_SD_INSTALL) 19186 Log.i(TAG, "Processing container " + cid); 19187 String pkgName = getAsecPackageName(cid); 19188 if (pkgName == null) { 19189 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 19190 continue; 19191 } 19192 if (DEBUG_SD_INSTALL) 19193 Log.i(TAG, "Looking for pkg : " + pkgName); 19194 19195 final PackageSetting ps = mSettings.mPackages.get(pkgName); 19196 if (ps == null) { 19197 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 19198 continue; 19199 } 19200 19201 /* 19202 * Skip packages that are not external if we're unmounting 19203 * external storage. 19204 */ 19205 if (externalStorage && !isMounted && !isExternal(ps)) { 19206 continue; 19207 } 19208 19209 final AsecInstallArgs args = new AsecInstallArgs(cid, 19210 getAppDexInstructionSets(ps), ps.isForwardLocked()); 19211 // The package status is changed only if the code path 19212 // matches between settings and the container id. 19213 if (ps.codePathString != null 19214 && ps.codePathString.startsWith(args.getCodePath())) { 19215 if (DEBUG_SD_INSTALL) { 19216 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 19217 + " at code path: " + ps.codePathString); 19218 } 19219 19220 // We do have a valid package installed on sdcard 19221 processCids.put(args, ps.codePathString); 19222 final int uid = ps.appId; 19223 if (uid != -1) { 19224 uidArr = ArrayUtils.appendInt(uidArr, uid); 19225 } 19226 } else { 19227 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 19228 + ps.codePathString); 19229 } 19230 } 19231 } 19232 19233 Arrays.sort(uidArr); 19234 } 19235 19236 // Process packages with valid entries. 19237 if (isMounted) { 19238 if (DEBUG_SD_INSTALL) 19239 Log.i(TAG, "Loading packages"); 19240 loadMediaPackages(processCids, uidArr, externalStorage); 19241 startCleaningPackages(); 19242 mInstallerService.onSecureContainersAvailable(); 19243 } else { 19244 if (DEBUG_SD_INSTALL) 19245 Log.i(TAG, "Unloading packages"); 19246 unloadMediaPackages(processCids, uidArr, reportStatus); 19247 } 19248 } 19249 19250 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 19251 ArrayList<ApplicationInfo> infos, IIntentReceiver finishedReceiver) { 19252 final int size = infos.size(); 19253 final String[] packageNames = new String[size]; 19254 final int[] packageUids = new int[size]; 19255 for (int i = 0; i < size; i++) { 19256 final ApplicationInfo info = infos.get(i); 19257 packageNames[i] = info.packageName; 19258 packageUids[i] = info.uid; 19259 } 19260 sendResourcesChangedBroadcast(mediaStatus, replacing, packageNames, packageUids, 19261 finishedReceiver); 19262 } 19263 19264 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 19265 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 19266 sendResourcesChangedBroadcast(mediaStatus, replacing, 19267 pkgList.toArray(new String[pkgList.size()]), uidArr, finishedReceiver); 19268 } 19269 19270 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 19271 String[] pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 19272 int size = pkgList.length; 19273 if (size > 0) { 19274 // Send broadcasts here 19275 Bundle extras = new Bundle(); 19276 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 19277 if (uidArr != null) { 19278 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 19279 } 19280 if (replacing) { 19281 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 19282 } 19283 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 19284 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 19285 sendPackageBroadcast(action, null, extras, 0, null, finishedReceiver, null); 19286 } 19287 } 19288 19289 /* 19290 * Look at potentially valid container ids from processCids If package 19291 * information doesn't match the one on record or package scanning fails, 19292 * the cid is added to list of removeCids. We currently don't delete stale 19293 * containers. 19294 */ 19295 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr, 19296 boolean externalStorage) { 19297 ArrayList<String> pkgList = new ArrayList<String>(); 19298 Set<AsecInstallArgs> keys = processCids.keySet(); 19299 19300 for (AsecInstallArgs args : keys) { 19301 String codePath = processCids.get(args); 19302 if (DEBUG_SD_INSTALL) 19303 Log.i(TAG, "Loading container : " + args.cid); 19304 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 19305 try { 19306 // Make sure there are no container errors first. 19307 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 19308 Slog.e(TAG, "Failed to mount cid : " + args.cid 19309 + " when installing from sdcard"); 19310 continue; 19311 } 19312 // Check code path here. 19313 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 19314 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 19315 + " does not match one in settings " + codePath); 19316 continue; 19317 } 19318 // Parse package 19319 int parseFlags = mDefParseFlags; 19320 if (args.isExternalAsec()) { 19321 parseFlags |= PackageParser.PARSE_EXTERNAL_STORAGE; 19322 } 19323 if (args.isFwdLocked()) { 19324 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 19325 } 19326 19327 synchronized (mInstallLock) { 19328 PackageParser.Package pkg = null; 19329 try { 19330 // Sadly we don't know the package name yet to freeze it 19331 pkg = scanPackageTracedLI(new File(codePath), parseFlags, 19332 SCAN_IGNORE_FROZEN, 0, null); 19333 } catch (PackageManagerException e) { 19334 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 19335 } 19336 // Scan the package 19337 if (pkg != null) { 19338 /* 19339 * TODO why is the lock being held? doPostInstall is 19340 * called in other places without the lock. This needs 19341 * to be straightened out. 19342 */ 19343 // writer 19344 synchronized (mPackages) { 19345 retCode = PackageManager.INSTALL_SUCCEEDED; 19346 pkgList.add(pkg.packageName); 19347 // Post process args 19348 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 19349 pkg.applicationInfo.uid); 19350 } 19351 } else { 19352 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 19353 } 19354 } 19355 19356 } finally { 19357 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 19358 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 19359 } 19360 } 19361 } 19362 // writer 19363 synchronized (mPackages) { 19364 // If the platform SDK has changed since the last time we booted, 19365 // we need to re-grant app permission to catch any new ones that 19366 // appear. This is really a hack, and means that apps can in some 19367 // cases get permissions that the user didn't initially explicitly 19368 // allow... it would be nice to have some better way to handle 19369 // this situation. 19370 final VersionInfo ver = externalStorage ? mSettings.getExternalVersion() 19371 : mSettings.getInternalVersion(); 19372 final String volumeUuid = externalStorage ? StorageManager.UUID_PRIMARY_PHYSICAL 19373 : StorageManager.UUID_PRIVATE_INTERNAL; 19374 19375 int updateFlags = UPDATE_PERMISSIONS_ALL; 19376 if (ver.sdkVersion != mSdkVersion) { 19377 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 19378 + mSdkVersion + "; regranting permissions for external"); 19379 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 19380 } 19381 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 19382 19383 // Yay, everything is now upgraded 19384 ver.forceCurrent(); 19385 19386 // can downgrade to reader 19387 // Persist settings 19388 mSettings.writeLPr(); 19389 } 19390 // Send a broadcast to let everyone know we are done processing 19391 if (pkgList.size() > 0) { 19392 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 19393 } 19394 } 19395 19396 /* 19397 * Utility method to unload a list of specified containers 19398 */ 19399 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 19400 // Just unmount all valid containers. 19401 for (AsecInstallArgs arg : cidArgs) { 19402 synchronized (mInstallLock) { 19403 arg.doPostDeleteLI(false); 19404 } 19405 } 19406 } 19407 19408 /* 19409 * Unload packages mounted on external media. This involves deleting package 19410 * data from internal structures, sending broadcasts about disabled packages, 19411 * gc'ing to free up references, unmounting all secure containers 19412 * corresponding to packages on external media, and posting a 19413 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 19414 * that we always have to post this message if status has been requested no 19415 * matter what. 19416 */ 19417 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 19418 final boolean reportStatus) { 19419 if (DEBUG_SD_INSTALL) 19420 Log.i(TAG, "unloading media packages"); 19421 ArrayList<String> pkgList = new ArrayList<String>(); 19422 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 19423 final Set<AsecInstallArgs> keys = processCids.keySet(); 19424 for (AsecInstallArgs args : keys) { 19425 String pkgName = args.getPackageName(); 19426 if (DEBUG_SD_INSTALL) 19427 Log.i(TAG, "Trying to unload pkg : " + pkgName); 19428 // Delete package internally 19429 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 19430 synchronized (mInstallLock) { 19431 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 19432 final boolean res; 19433 try (PackageFreezer freezer = freezePackageForDelete(pkgName, deleteFlags, 19434 "unloadMediaPackages")) { 19435 res = deletePackageLIF(pkgName, null, false, null, deleteFlags, outInfo, false, 19436 null); 19437 } 19438 if (res) { 19439 pkgList.add(pkgName); 19440 } else { 19441 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 19442 failedList.add(args); 19443 } 19444 } 19445 } 19446 19447 // reader 19448 synchronized (mPackages) { 19449 // We didn't update the settings after removing each package; 19450 // write them now for all packages. 19451 mSettings.writeLPr(); 19452 } 19453 19454 // We have to absolutely send UPDATED_MEDIA_STATUS only 19455 // after confirming that all the receivers processed the ordered 19456 // broadcast when packages get disabled, force a gc to clean things up. 19457 // and unload all the containers. 19458 if (pkgList.size() > 0) { 19459 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 19460 new IIntentReceiver.Stub() { 19461 public void performReceive(Intent intent, int resultCode, String data, 19462 Bundle extras, boolean ordered, boolean sticky, 19463 int sendingUser) throws RemoteException { 19464 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 19465 reportStatus ? 1 : 0, 1, keys); 19466 mHandler.sendMessage(msg); 19467 } 19468 }); 19469 } else { 19470 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 19471 keys); 19472 mHandler.sendMessage(msg); 19473 } 19474 } 19475 19476 private void loadPrivatePackages(final VolumeInfo vol) { 19477 mHandler.post(new Runnable() { 19478 @Override 19479 public void run() { 19480 loadPrivatePackagesInner(vol); 19481 } 19482 }); 19483 } 19484 19485 private void loadPrivatePackagesInner(VolumeInfo vol) { 19486 final String volumeUuid = vol.fsUuid; 19487 if (TextUtils.isEmpty(volumeUuid)) { 19488 Slog.e(TAG, "Loading internal storage is probably a mistake; ignoring"); 19489 return; 19490 } 19491 19492 final ArrayList<PackageFreezer> freezers = new ArrayList<>(); 19493 final ArrayList<ApplicationInfo> loaded = new ArrayList<>(); 19494 final int parseFlags = mDefParseFlags | PackageParser.PARSE_EXTERNAL_STORAGE; 19495 19496 final VersionInfo ver; 19497 final List<PackageSetting> packages; 19498 synchronized (mPackages) { 19499 ver = mSettings.findOrCreateVersion(volumeUuid); 19500 packages = mSettings.getVolumePackagesLPr(volumeUuid); 19501 } 19502 19503 for (PackageSetting ps : packages) { 19504 freezers.add(freezePackage(ps.name, "loadPrivatePackagesInner")); 19505 synchronized (mInstallLock) { 19506 final PackageParser.Package pkg; 19507 try { 19508 pkg = scanPackageTracedLI(ps.codePath, parseFlags, SCAN_INITIAL, 0, null); 19509 loaded.add(pkg.applicationInfo); 19510 19511 } catch (PackageManagerException e) { 19512 Slog.w(TAG, "Failed to scan " + ps.codePath + ": " + e.getMessage()); 19513 } 19514 19515 if (!Build.FINGERPRINT.equals(ver.fingerprint)) { 19516 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 19517 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 19518 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 19519 } 19520 } 19521 } 19522 19523 // Reconcile app data for all started/unlocked users 19524 final StorageManager sm = mContext.getSystemService(StorageManager.class); 19525 final UserManager um = mContext.getSystemService(UserManager.class); 19526 UserManagerInternal umInternal = getUserManagerInternal(); 19527 for (UserInfo user : um.getUsers()) { 19528 final int flags; 19529 if (umInternal.isUserUnlockingOrUnlocked(user.id)) { 19530 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 19531 } else if (umInternal.isUserRunning(user.id)) { 19532 flags = StorageManager.FLAG_STORAGE_DE; 19533 } else { 19534 continue; 19535 } 19536 19537 try { 19538 sm.prepareUserStorage(volumeUuid, user.id, user.serialNumber, flags); 19539 synchronized (mInstallLock) { 19540 reconcileAppsDataLI(volumeUuid, user.id, flags); 19541 } 19542 } catch (IllegalStateException e) { 19543 // Device was probably ejected, and we'll process that event momentarily 19544 Slog.w(TAG, "Failed to prepare storage: " + e); 19545 } 19546 } 19547 19548 synchronized (mPackages) { 19549 int updateFlags = UPDATE_PERMISSIONS_ALL; 19550 if (ver.sdkVersion != mSdkVersion) { 19551 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 19552 + mSdkVersion + "; regranting permissions for " + volumeUuid); 19553 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 19554 } 19555 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 19556 19557 // Yay, everything is now upgraded 19558 ver.forceCurrent(); 19559 19560 mSettings.writeLPr(); 19561 } 19562 19563 for (PackageFreezer freezer : freezers) { 19564 freezer.close(); 19565 } 19566 19567 if (DEBUG_INSTALL) Slog.d(TAG, "Loaded packages " + loaded); 19568 sendResourcesChangedBroadcast(true, false, loaded, null); 19569 } 19570 19571 private void unloadPrivatePackages(final VolumeInfo vol) { 19572 mHandler.post(new Runnable() { 19573 @Override 19574 public void run() { 19575 unloadPrivatePackagesInner(vol); 19576 } 19577 }); 19578 } 19579 19580 private void unloadPrivatePackagesInner(VolumeInfo vol) { 19581 final String volumeUuid = vol.fsUuid; 19582 if (TextUtils.isEmpty(volumeUuid)) { 19583 Slog.e(TAG, "Unloading internal storage is probably a mistake; ignoring"); 19584 return; 19585 } 19586 19587 final ArrayList<ApplicationInfo> unloaded = new ArrayList<>(); 19588 synchronized (mInstallLock) { 19589 synchronized (mPackages) { 19590 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(volumeUuid); 19591 for (PackageSetting ps : packages) { 19592 if (ps.pkg == null) continue; 19593 19594 final ApplicationInfo info = ps.pkg.applicationInfo; 19595 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 19596 final PackageRemovedInfo outInfo = new PackageRemovedInfo(); 19597 19598 try (PackageFreezer freezer = freezePackageForDelete(ps.name, deleteFlags, 19599 "unloadPrivatePackagesInner")) { 19600 if (deletePackageLIF(ps.name, null, false, null, deleteFlags, outInfo, 19601 false, null)) { 19602 unloaded.add(info); 19603 } else { 19604 Slog.w(TAG, "Failed to unload " + ps.codePath); 19605 } 19606 } 19607 19608 // Try very hard to release any references to this package 19609 // so we don't risk the system server being killed due to 19610 // open FDs 19611 AttributeCache.instance().removePackage(ps.name); 19612 } 19613 19614 mSettings.writeLPr(); 19615 } 19616 } 19617 19618 if (DEBUG_INSTALL) Slog.d(TAG, "Unloaded packages " + unloaded); 19619 sendResourcesChangedBroadcast(false, false, unloaded, null); 19620 19621 // Try very hard to release any references to this path so we don't risk 19622 // the system server being killed due to open FDs 19623 ResourcesManager.getInstance().invalidatePath(vol.getPath().getAbsolutePath()); 19624 19625 for (int i = 0; i < 3; i++) { 19626 System.gc(); 19627 System.runFinalization(); 19628 } 19629 } 19630 19631 /** 19632 * Prepare storage areas for given user on all mounted devices. 19633 */ 19634 void prepareUserData(int userId, int userSerial, int flags) { 19635 synchronized (mInstallLock) { 19636 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19637 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 19638 final String volumeUuid = vol.getFsUuid(); 19639 prepareUserDataLI(volumeUuid, userId, userSerial, flags, true); 19640 } 19641 } 19642 } 19643 19644 private void prepareUserDataLI(String volumeUuid, int userId, int userSerial, int flags, 19645 boolean allowRecover) { 19646 // Prepare storage and verify that serial numbers are consistent; if 19647 // there's a mismatch we need to destroy to avoid leaking data 19648 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19649 try { 19650 storage.prepareUserStorage(volumeUuid, userId, userSerial, flags); 19651 19652 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0 && !mOnlyCore) { 19653 UserManagerService.enforceSerialNumber( 19654 Environment.getDataUserDeDirectory(volumeUuid, userId), userSerial); 19655 if (Objects.equals(volumeUuid, StorageManager.UUID_PRIVATE_INTERNAL)) { 19656 UserManagerService.enforceSerialNumber( 19657 Environment.getDataSystemDeDirectory(userId), userSerial); 19658 } 19659 } 19660 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0 && !mOnlyCore) { 19661 UserManagerService.enforceSerialNumber( 19662 Environment.getDataUserCeDirectory(volumeUuid, userId), userSerial); 19663 if (Objects.equals(volumeUuid, StorageManager.UUID_PRIVATE_INTERNAL)) { 19664 UserManagerService.enforceSerialNumber( 19665 Environment.getDataSystemCeDirectory(userId), userSerial); 19666 } 19667 } 19668 19669 synchronized (mInstallLock) { 19670 mInstaller.createUserData(volumeUuid, userId, userSerial, flags); 19671 } 19672 } catch (Exception e) { 19673 logCriticalInfo(Log.WARN, "Destroying user " + userId + " on volume " + volumeUuid 19674 + " because we failed to prepare: " + e); 19675 destroyUserDataLI(volumeUuid, userId, 19676 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 19677 19678 if (allowRecover) { 19679 // Try one last time; if we fail again we're really in trouble 19680 prepareUserDataLI(volumeUuid, userId, userSerial, flags, false); 19681 } 19682 } 19683 } 19684 19685 /** 19686 * Destroy storage areas for given user on all mounted devices. 19687 */ 19688 void destroyUserData(int userId, int flags) { 19689 synchronized (mInstallLock) { 19690 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19691 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 19692 final String volumeUuid = vol.getFsUuid(); 19693 destroyUserDataLI(volumeUuid, userId, flags); 19694 } 19695 } 19696 } 19697 19698 private void destroyUserDataLI(String volumeUuid, int userId, int flags) { 19699 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19700 try { 19701 // Clean up app data, profile data, and media data 19702 mInstaller.destroyUserData(volumeUuid, userId, flags); 19703 19704 // Clean up system data 19705 if (Objects.equals(volumeUuid, StorageManager.UUID_PRIVATE_INTERNAL)) { 19706 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 19707 FileUtils.deleteContentsAndDir(Environment.getUserSystemDirectory(userId)); 19708 FileUtils.deleteContentsAndDir(Environment.getDataSystemDeDirectory(userId)); 19709 } 19710 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19711 FileUtils.deleteContentsAndDir(Environment.getDataSystemCeDirectory(userId)); 19712 } 19713 } 19714 19715 // Data with special labels is now gone, so finish the job 19716 storage.destroyUserStorage(volumeUuid, userId, flags); 19717 19718 } catch (Exception e) { 19719 logCriticalInfo(Log.WARN, 19720 "Failed to destroy user " + userId + " on volume " + volumeUuid + ": " + e); 19721 } 19722 } 19723 19724 /** 19725 * Examine all users present on given mounted volume, and destroy data 19726 * belonging to users that are no longer valid, or whose user ID has been 19727 * recycled. 19728 */ 19729 private void reconcileUsers(String volumeUuid) { 19730 final List<File> files = new ArrayList<>(); 19731 Collections.addAll(files, FileUtils 19732 .listFilesOrEmpty(Environment.getDataUserDeDirectory(volumeUuid))); 19733 Collections.addAll(files, FileUtils 19734 .listFilesOrEmpty(Environment.getDataUserCeDirectory(volumeUuid))); 19735 Collections.addAll(files, FileUtils 19736 .listFilesOrEmpty(Environment.getDataSystemDeDirectory())); 19737 Collections.addAll(files, FileUtils 19738 .listFilesOrEmpty(Environment.getDataSystemCeDirectory())); 19739 for (File file : files) { 19740 if (!file.isDirectory()) continue; 19741 19742 final int userId; 19743 final UserInfo info; 19744 try { 19745 userId = Integer.parseInt(file.getName()); 19746 info = sUserManager.getUserInfo(userId); 19747 } catch (NumberFormatException e) { 19748 Slog.w(TAG, "Invalid user directory " + file); 19749 continue; 19750 } 19751 19752 boolean destroyUser = false; 19753 if (info == null) { 19754 logCriticalInfo(Log.WARN, "Destroying user directory " + file 19755 + " because no matching user was found"); 19756 destroyUser = true; 19757 } else if (!mOnlyCore) { 19758 try { 19759 UserManagerService.enforceSerialNumber(file, info.serialNumber); 19760 } catch (IOException e) { 19761 logCriticalInfo(Log.WARN, "Destroying user directory " + file 19762 + " because we failed to enforce serial number: " + e); 19763 destroyUser = true; 19764 } 19765 } 19766 19767 if (destroyUser) { 19768 synchronized (mInstallLock) { 19769 destroyUserDataLI(volumeUuid, userId, 19770 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 19771 } 19772 } 19773 } 19774 } 19775 19776 private void assertPackageKnown(String volumeUuid, String packageName) 19777 throws PackageManagerException { 19778 synchronized (mPackages) { 19779 final PackageSetting ps = mSettings.mPackages.get(packageName); 19780 if (ps == null) { 19781 throw new PackageManagerException("Package " + packageName + " is unknown"); 19782 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 19783 throw new PackageManagerException( 19784 "Package " + packageName + " found on unknown volume " + volumeUuid 19785 + "; expected volume " + ps.volumeUuid); 19786 } 19787 } 19788 } 19789 19790 private void assertPackageKnownAndInstalled(String volumeUuid, String packageName, int userId) 19791 throws PackageManagerException { 19792 synchronized (mPackages) { 19793 final PackageSetting ps = mSettings.mPackages.get(packageName); 19794 if (ps == null) { 19795 throw new PackageManagerException("Package " + packageName + " is unknown"); 19796 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 19797 throw new PackageManagerException( 19798 "Package " + packageName + " found on unknown volume " + volumeUuid 19799 + "; expected volume " + ps.volumeUuid); 19800 } else if (!ps.getInstalled(userId)) { 19801 throw new PackageManagerException( 19802 "Package " + packageName + " not installed for user " + userId); 19803 } 19804 } 19805 } 19806 19807 /** 19808 * Examine all apps present on given mounted volume, and destroy apps that 19809 * aren't expected, either due to uninstallation or reinstallation on 19810 * another volume. 19811 */ 19812 private void reconcileApps(String volumeUuid) { 19813 final File[] files = FileUtils 19814 .listFilesOrEmpty(Environment.getDataAppDirectory(volumeUuid)); 19815 for (File file : files) { 19816 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 19817 && !PackageInstallerService.isStageName(file.getName()); 19818 if (!isPackage) { 19819 // Ignore entries which are not packages 19820 continue; 19821 } 19822 19823 try { 19824 final PackageLite pkg = PackageParser.parsePackageLite(file, 19825 PackageParser.PARSE_MUST_BE_APK); 19826 assertPackageKnown(volumeUuid, pkg.packageName); 19827 19828 } catch (PackageParserException | PackageManagerException e) { 19829 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19830 synchronized (mInstallLock) { 19831 removeCodePathLI(file); 19832 } 19833 } 19834 } 19835 } 19836 19837 /** 19838 * Reconcile all app data for the given user. 19839 * <p> 19840 * Verifies that directories exist and that ownership and labeling is 19841 * correct for all installed apps on all mounted volumes. 19842 */ 19843 void reconcileAppsData(int userId, int flags) { 19844 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19845 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 19846 final String volumeUuid = vol.getFsUuid(); 19847 synchronized (mInstallLock) { 19848 reconcileAppsDataLI(volumeUuid, userId, flags); 19849 } 19850 } 19851 } 19852 19853 /** 19854 * Reconcile all app data on given mounted volume. 19855 * <p> 19856 * Destroys app data that isn't expected, either due to uninstallation or 19857 * reinstallation on another volume. 19858 * <p> 19859 * Verifies that directories exist and that ownership and labeling is 19860 * correct for all installed apps. 19861 */ 19862 private void reconcileAppsDataLI(String volumeUuid, int userId, int flags) { 19863 Slog.v(TAG, "reconcileAppsData for " + volumeUuid + " u" + userId + " 0x" 19864 + Integer.toHexString(flags)); 19865 19866 final File ceDir = Environment.getDataUserCeDirectory(volumeUuid, userId); 19867 final File deDir = Environment.getDataUserDeDirectory(volumeUuid, userId); 19868 19869 // First look for stale data that doesn't belong, and check if things 19870 // have changed since we did our last restorecon 19871 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19872 if (StorageManager.isFileEncryptedNativeOrEmulated() 19873 && !StorageManager.isUserKeyUnlocked(userId)) { 19874 throw new RuntimeException( 19875 "Yikes, someone asked us to reconcile CE storage while " + userId 19876 + " was still locked; this would have caused massive data loss!"); 19877 } 19878 19879 final File[] files = FileUtils.listFilesOrEmpty(ceDir); 19880 for (File file : files) { 19881 final String packageName = file.getName(); 19882 try { 19883 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 19884 } catch (PackageManagerException e) { 19885 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19886 try { 19887 mInstaller.destroyAppData(volumeUuid, packageName, userId, 19888 StorageManager.FLAG_STORAGE_CE, 0); 19889 } catch (InstallerException e2) { 19890 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 19891 } 19892 } 19893 } 19894 } 19895 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 19896 final File[] files = FileUtils.listFilesOrEmpty(deDir); 19897 for (File file : files) { 19898 final String packageName = file.getName(); 19899 try { 19900 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 19901 } catch (PackageManagerException e) { 19902 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19903 try { 19904 mInstaller.destroyAppData(volumeUuid, packageName, userId, 19905 StorageManager.FLAG_STORAGE_DE, 0); 19906 } catch (InstallerException e2) { 19907 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 19908 } 19909 } 19910 } 19911 } 19912 19913 // Ensure that data directories are ready to roll for all packages 19914 // installed for this volume and user 19915 final List<PackageSetting> packages; 19916 synchronized (mPackages) { 19917 packages = mSettings.getVolumePackagesLPr(volumeUuid); 19918 } 19919 int preparedCount = 0; 19920 for (PackageSetting ps : packages) { 19921 final String packageName = ps.name; 19922 if (ps.pkg == null) { 19923 Slog.w(TAG, "Odd, missing scanned package " + packageName); 19924 // TODO: might be due to legacy ASEC apps; we should circle back 19925 // and reconcile again once they're scanned 19926 continue; 19927 } 19928 19929 if (ps.getInstalled(userId)) { 19930 prepareAppDataLIF(ps.pkg, userId, flags); 19931 19932 if (maybeMigrateAppDataLIF(ps.pkg, userId)) { 19933 // We may have just shuffled around app data directories, so 19934 // prepare them one more time 19935 prepareAppDataLIF(ps.pkg, userId, flags); 19936 } 19937 19938 preparedCount++; 19939 } 19940 } 19941 19942 Slog.v(TAG, "reconcileAppsData finished " + preparedCount + " packages"); 19943 } 19944 19945 /** 19946 * Prepare app data for the given app just after it was installed or 19947 * upgraded. This method carefully only touches users that it's installed 19948 * for, and it forces a restorecon to handle any seinfo changes. 19949 * <p> 19950 * Verifies that directories exist and that ownership and labeling is 19951 * correct for all installed apps. If there is an ownership mismatch, it 19952 * will try recovering system apps by wiping data; third-party app data is 19953 * left intact. 19954 * <p> 19955 * <em>Note: To avoid a deadlock, do not call this method with {@code mPackages} lock held</em> 19956 */ 19957 private void prepareAppDataAfterInstallLIF(PackageParser.Package pkg) { 19958 final PackageSetting ps; 19959 synchronized (mPackages) { 19960 ps = mSettings.mPackages.get(pkg.packageName); 19961 mSettings.writeKernelMappingLPr(ps); 19962 } 19963 19964 final UserManager um = mContext.getSystemService(UserManager.class); 19965 UserManagerInternal umInternal = getUserManagerInternal(); 19966 for (UserInfo user : um.getUsers()) { 19967 final int flags; 19968 if (umInternal.isUserUnlockingOrUnlocked(user.id)) { 19969 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 19970 } else if (umInternal.isUserRunning(user.id)) { 19971 flags = StorageManager.FLAG_STORAGE_DE; 19972 } else { 19973 continue; 19974 } 19975 19976 if (ps.getInstalled(user.id)) { 19977 // TODO: when user data is locked, mark that we're still dirty 19978 prepareAppDataLIF(pkg, user.id, flags); 19979 } 19980 } 19981 } 19982 19983 /** 19984 * Prepare app data for the given app. 19985 * <p> 19986 * Verifies that directories exist and that ownership and labeling is 19987 * correct for all installed apps. If there is an ownership mismatch, this 19988 * will try recovering system apps by wiping data; third-party app data is 19989 * left intact. 19990 */ 19991 private void prepareAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 19992 if (pkg == null) { 19993 Slog.wtf(TAG, "Package was null!", new Throwable()); 19994 return; 19995 } 19996 prepareAppDataLeafLIF(pkg, userId, flags); 19997 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 19998 for (int i = 0; i < childCount; i++) { 19999 prepareAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 20000 } 20001 } 20002 20003 private void prepareAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 20004 if (DEBUG_APP_DATA) { 20005 Slog.v(TAG, "prepareAppData for " + pkg.packageName + " u" + userId + " 0x" 20006 + Integer.toHexString(flags)); 20007 } 20008 20009 final String volumeUuid = pkg.volumeUuid; 20010 final String packageName = pkg.packageName; 20011 final ApplicationInfo app = pkg.applicationInfo; 20012 final int appId = UserHandle.getAppId(app.uid); 20013 20014 Preconditions.checkNotNull(app.seinfo); 20015 20016 long ceDataInode = -1; 20017 try { 20018 ceDataInode = mInstaller.createAppData(volumeUuid, packageName, userId, flags, 20019 appId, app.seinfo, app.targetSdkVersion); 20020 } catch (InstallerException e) { 20021 if (app.isSystemApp()) { 20022 logCriticalInfo(Log.ERROR, "Failed to create app data for " + packageName 20023 + ", but trying to recover: " + e); 20024 destroyAppDataLeafLIF(pkg, userId, flags); 20025 try { 20026 ceDataInode = mInstaller.createAppData(volumeUuid, packageName, userId, flags, 20027 appId, app.seinfo, app.targetSdkVersion); 20028 logCriticalInfo(Log.DEBUG, "Recovery succeeded!"); 20029 } catch (InstallerException e2) { 20030 logCriticalInfo(Log.DEBUG, "Recovery failed!"); 20031 } 20032 } else { 20033 Slog.e(TAG, "Failed to create app data for " + packageName + ": " + e); 20034 } 20035 } 20036 20037 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0 && ceDataInode != -1) { 20038 // TODO: mark this structure as dirty so we persist it! 20039 synchronized (mPackages) { 20040 final PackageSetting ps = mSettings.mPackages.get(packageName); 20041 if (ps != null) { 20042 ps.setCeDataInode(ceDataInode, userId); 20043 } 20044 } 20045 } 20046 20047 prepareAppDataContentsLeafLIF(pkg, userId, flags); 20048 } 20049 20050 private void prepareAppDataContentsLIF(PackageParser.Package pkg, int userId, int flags) { 20051 if (pkg == null) { 20052 Slog.wtf(TAG, "Package was null!", new Throwable()); 20053 return; 20054 } 20055 prepareAppDataContentsLeafLIF(pkg, userId, flags); 20056 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 20057 for (int i = 0; i < childCount; i++) { 20058 prepareAppDataContentsLeafLIF(pkg.childPackages.get(i), userId, flags); 20059 } 20060 } 20061 20062 private void prepareAppDataContentsLeafLIF(PackageParser.Package pkg, int userId, int flags) { 20063 final String volumeUuid = pkg.volumeUuid; 20064 final String packageName = pkg.packageName; 20065 final ApplicationInfo app = pkg.applicationInfo; 20066 20067 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 20068 // Create a native library symlink only if we have native libraries 20069 // and if the native libraries are 32 bit libraries. We do not provide 20070 // this symlink for 64 bit libraries. 20071 if (app.primaryCpuAbi != null && !VMRuntime.is64BitAbi(app.primaryCpuAbi)) { 20072 final String nativeLibPath = app.nativeLibraryDir; 20073 try { 20074 mInstaller.linkNativeLibraryDirectory(volumeUuid, packageName, 20075 nativeLibPath, userId); 20076 } catch (InstallerException e) { 20077 Slog.e(TAG, "Failed to link native for " + packageName + ": " + e); 20078 } 20079 } 20080 } 20081 } 20082 20083 /** 20084 * For system apps on non-FBE devices, this method migrates any existing 20085 * CE/DE data to match the {@code defaultToDeviceProtectedStorage} flag 20086 * requested by the app. 20087 */ 20088 private boolean maybeMigrateAppDataLIF(PackageParser.Package pkg, int userId) { 20089 if (pkg.isSystemApp() && !StorageManager.isFileEncryptedNativeOrEmulated() 20090 && PackageManager.APPLY_DEFAULT_TO_DEVICE_PROTECTED_STORAGE) { 20091 final int storageTarget = pkg.applicationInfo.isDefaultToDeviceProtectedStorage() 20092 ? StorageManager.FLAG_STORAGE_DE : StorageManager.FLAG_STORAGE_CE; 20093 try { 20094 mInstaller.migrateAppData(pkg.volumeUuid, pkg.packageName, userId, 20095 storageTarget); 20096 } catch (InstallerException e) { 20097 logCriticalInfo(Log.WARN, 20098 "Failed to migrate " + pkg.packageName + ": " + e.getMessage()); 20099 } 20100 return true; 20101 } else { 20102 return false; 20103 } 20104 } 20105 20106 public PackageFreezer freezePackage(String packageName, String killReason) { 20107 return freezePackage(packageName, UserHandle.USER_ALL, killReason); 20108 } 20109 20110 public PackageFreezer freezePackage(String packageName, int userId, String killReason) { 20111 return new PackageFreezer(packageName, userId, killReason); 20112 } 20113 20114 public PackageFreezer freezePackageForInstall(String packageName, int installFlags, 20115 String killReason) { 20116 return freezePackageForInstall(packageName, UserHandle.USER_ALL, installFlags, killReason); 20117 } 20118 20119 public PackageFreezer freezePackageForInstall(String packageName, int userId, int installFlags, 20120 String killReason) { 20121 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 20122 return new PackageFreezer(); 20123 } else { 20124 return freezePackage(packageName, userId, killReason); 20125 } 20126 } 20127 20128 public PackageFreezer freezePackageForDelete(String packageName, int deleteFlags, 20129 String killReason) { 20130 return freezePackageForDelete(packageName, UserHandle.USER_ALL, deleteFlags, killReason); 20131 } 20132 20133 public PackageFreezer freezePackageForDelete(String packageName, int userId, int deleteFlags, 20134 String killReason) { 20135 if ((deleteFlags & PackageManager.DELETE_DONT_KILL_APP) != 0) { 20136 return new PackageFreezer(); 20137 } else { 20138 return freezePackage(packageName, userId, killReason); 20139 } 20140 } 20141 20142 /** 20143 * Class that freezes and kills the given package upon creation, and 20144 * unfreezes it upon closing. This is typically used when doing surgery on 20145 * app code/data to prevent the app from running while you're working. 20146 */ 20147 private class PackageFreezer implements AutoCloseable { 20148 private final String mPackageName; 20149 private final PackageFreezer[] mChildren; 20150 20151 private final boolean mWeFroze; 20152 20153 private final AtomicBoolean mClosed = new AtomicBoolean(); 20154 private final CloseGuard mCloseGuard = CloseGuard.get(); 20155 20156 /** 20157 * Create and return a stub freezer that doesn't actually do anything, 20158 * typically used when someone requested 20159 * {@link PackageManager#INSTALL_DONT_KILL_APP} or 20160 * {@link PackageManager#DELETE_DONT_KILL_APP}. 20161 */ 20162 public PackageFreezer() { 20163 mPackageName = null; 20164 mChildren = null; 20165 mWeFroze = false; 20166 mCloseGuard.open("close"); 20167 } 20168 20169 public PackageFreezer(String packageName, int userId, String killReason) { 20170 synchronized (mPackages) { 20171 mPackageName = packageName; 20172 mWeFroze = mFrozenPackages.add(mPackageName); 20173 20174 final PackageSetting ps = mSettings.mPackages.get(mPackageName); 20175 if (ps != null) { 20176 killApplication(ps.name, ps.appId, userId, killReason); 20177 } 20178 20179 final PackageParser.Package p = mPackages.get(packageName); 20180 if (p != null && p.childPackages != null) { 20181 final int N = p.childPackages.size(); 20182 mChildren = new PackageFreezer[N]; 20183 for (int i = 0; i < N; i++) { 20184 mChildren[i] = new PackageFreezer(p.childPackages.get(i).packageName, 20185 userId, killReason); 20186 } 20187 } else { 20188 mChildren = null; 20189 } 20190 } 20191 mCloseGuard.open("close"); 20192 } 20193 20194 @Override 20195 protected void finalize() throws Throwable { 20196 try { 20197 mCloseGuard.warnIfOpen(); 20198 close(); 20199 } finally { 20200 super.finalize(); 20201 } 20202 } 20203 20204 @Override 20205 public void close() { 20206 mCloseGuard.close(); 20207 if (mClosed.compareAndSet(false, true)) { 20208 synchronized (mPackages) { 20209 if (mWeFroze) { 20210 mFrozenPackages.remove(mPackageName); 20211 } 20212 20213 if (mChildren != null) { 20214 for (PackageFreezer freezer : mChildren) { 20215 freezer.close(); 20216 } 20217 } 20218 } 20219 } 20220 } 20221 } 20222 20223 /** 20224 * Verify that given package is currently frozen. 20225 */ 20226 private void checkPackageFrozen(String packageName) { 20227 synchronized (mPackages) { 20228 if (!mFrozenPackages.contains(packageName)) { 20229 Slog.wtf(TAG, "Expected " + packageName + " to be frozen!", new Throwable()); 20230 } 20231 } 20232 } 20233 20234 @Override 20235 public int movePackage(final String packageName, final String volumeUuid) { 20236 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 20237 20238 final UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 20239 final int moveId = mNextMoveId.getAndIncrement(); 20240 mHandler.post(new Runnable() { 20241 @Override 20242 public void run() { 20243 try { 20244 movePackageInternal(packageName, volumeUuid, moveId, user); 20245 } catch (PackageManagerException e) { 20246 Slog.w(TAG, "Failed to move " + packageName, e); 20247 mMoveCallbacks.notifyStatusChanged(moveId, 20248 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 20249 } 20250 } 20251 }); 20252 return moveId; 20253 } 20254 20255 private void movePackageInternal(final String packageName, final String volumeUuid, 20256 final int moveId, UserHandle user) throws PackageManagerException { 20257 final StorageManager storage = mContext.getSystemService(StorageManager.class); 20258 final PackageManager pm = mContext.getPackageManager(); 20259 20260 final boolean currentAsec; 20261 final String currentVolumeUuid; 20262 final File codeFile; 20263 final String installerPackageName; 20264 final String packageAbiOverride; 20265 final int appId; 20266 final String seinfo; 20267 final String label; 20268 final int targetSdkVersion; 20269 final PackageFreezer freezer; 20270 final int[] installedUserIds; 20271 20272 // reader 20273 synchronized (mPackages) { 20274 final PackageParser.Package pkg = mPackages.get(packageName); 20275 final PackageSetting ps = mSettings.mPackages.get(packageName); 20276 if (pkg == null || ps == null) { 20277 throw new PackageManagerException(MOVE_FAILED_DOESNT_EXIST, "Missing package"); 20278 } 20279 20280 if (pkg.applicationInfo.isSystemApp()) { 20281 throw new PackageManagerException(MOVE_FAILED_SYSTEM_PACKAGE, 20282 "Cannot move system application"); 20283 } 20284 20285 if (pkg.applicationInfo.isExternalAsec()) { 20286 currentAsec = true; 20287 currentVolumeUuid = StorageManager.UUID_PRIMARY_PHYSICAL; 20288 } else if (pkg.applicationInfo.isForwardLocked()) { 20289 currentAsec = true; 20290 currentVolumeUuid = "forward_locked"; 20291 } else { 20292 currentAsec = false; 20293 currentVolumeUuid = ps.volumeUuid; 20294 20295 final File probe = new File(pkg.codePath); 20296 final File probeOat = new File(probe, "oat"); 20297 if (!probe.isDirectory() || !probeOat.isDirectory()) { 20298 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20299 "Move only supported for modern cluster style installs"); 20300 } 20301 } 20302 20303 if (Objects.equals(currentVolumeUuid, volumeUuid)) { 20304 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20305 "Package already moved to " + volumeUuid); 20306 } 20307 if (pkg.applicationInfo.isInternal() && isPackageDeviceAdminOnAnyUser(packageName)) { 20308 throw new PackageManagerException(MOVE_FAILED_DEVICE_ADMIN, 20309 "Device admin cannot be moved"); 20310 } 20311 20312 if (mFrozenPackages.contains(packageName)) { 20313 throw new PackageManagerException(MOVE_FAILED_OPERATION_PENDING, 20314 "Failed to move already frozen package"); 20315 } 20316 20317 codeFile = new File(pkg.codePath); 20318 installerPackageName = ps.installerPackageName; 20319 packageAbiOverride = ps.cpuAbiOverrideString; 20320 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 20321 seinfo = pkg.applicationInfo.seinfo; 20322 label = String.valueOf(pm.getApplicationLabel(pkg.applicationInfo)); 20323 targetSdkVersion = pkg.applicationInfo.targetSdkVersion; 20324 freezer = freezePackage(packageName, "movePackageInternal"); 20325 installedUserIds = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 20326 } 20327 20328 final Bundle extras = new Bundle(); 20329 extras.putString(Intent.EXTRA_PACKAGE_NAME, packageName); 20330 extras.putString(Intent.EXTRA_TITLE, label); 20331 mMoveCallbacks.notifyCreated(moveId, extras); 20332 20333 int installFlags; 20334 final boolean moveCompleteApp; 20335 final File measurePath; 20336 20337 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, volumeUuid)) { 20338 installFlags = INSTALL_INTERNAL; 20339 moveCompleteApp = !currentAsec; 20340 measurePath = Environment.getDataAppDirectory(volumeUuid); 20341 } else if (Objects.equals(StorageManager.UUID_PRIMARY_PHYSICAL, volumeUuid)) { 20342 installFlags = INSTALL_EXTERNAL; 20343 moveCompleteApp = false; 20344 measurePath = storage.getPrimaryPhysicalVolume().getPath(); 20345 } else { 20346 final VolumeInfo volume = storage.findVolumeByUuid(volumeUuid); 20347 if (volume == null || volume.getType() != VolumeInfo.TYPE_PRIVATE 20348 || !volume.isMountedWritable()) { 20349 freezer.close(); 20350 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20351 "Move location not mounted private volume"); 20352 } 20353 20354 Preconditions.checkState(!currentAsec); 20355 20356 installFlags = INSTALL_INTERNAL; 20357 moveCompleteApp = true; 20358 measurePath = Environment.getDataAppDirectory(volumeUuid); 20359 } 20360 20361 final PackageStats stats = new PackageStats(null, -1); 20362 synchronized (mInstaller) { 20363 for (int userId : installedUserIds) { 20364 if (!getPackageSizeInfoLI(packageName, userId, stats)) { 20365 freezer.close(); 20366 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20367 "Failed to measure package size"); 20368 } 20369 } 20370 } 20371 20372 if (DEBUG_INSTALL) Slog.d(TAG, "Measured code size " + stats.codeSize + ", data size " 20373 + stats.dataSize); 20374 20375 final long startFreeBytes = measurePath.getFreeSpace(); 20376 final long sizeBytes; 20377 if (moveCompleteApp) { 20378 sizeBytes = stats.codeSize + stats.dataSize; 20379 } else { 20380 sizeBytes = stats.codeSize; 20381 } 20382 20383 if (sizeBytes > storage.getStorageBytesUntilLow(measurePath)) { 20384 freezer.close(); 20385 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20386 "Not enough free space to move"); 20387 } 20388 20389 mMoveCallbacks.notifyStatusChanged(moveId, 10); 20390 20391 final CountDownLatch installedLatch = new CountDownLatch(1); 20392 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 20393 @Override 20394 public void onUserActionRequired(Intent intent) throws RemoteException { 20395 throw new IllegalStateException(); 20396 } 20397 20398 @Override 20399 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 20400 Bundle extras) throws RemoteException { 20401 if (DEBUG_INSTALL) Slog.d(TAG, "Install result for move: " 20402 + PackageManager.installStatusToString(returnCode, msg)); 20403 20404 installedLatch.countDown(); 20405 freezer.close(); 20406 20407 final int status = PackageManager.installStatusToPublicStatus(returnCode); 20408 switch (status) { 20409 case PackageInstaller.STATUS_SUCCESS: 20410 mMoveCallbacks.notifyStatusChanged(moveId, 20411 PackageManager.MOVE_SUCCEEDED); 20412 break; 20413 case PackageInstaller.STATUS_FAILURE_STORAGE: 20414 mMoveCallbacks.notifyStatusChanged(moveId, 20415 PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 20416 break; 20417 default: 20418 mMoveCallbacks.notifyStatusChanged(moveId, 20419 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 20420 break; 20421 } 20422 } 20423 }; 20424 20425 final MoveInfo move; 20426 if (moveCompleteApp) { 20427 // Kick off a thread to report progress estimates 20428 new Thread() { 20429 @Override 20430 public void run() { 20431 while (true) { 20432 try { 20433 if (installedLatch.await(1, TimeUnit.SECONDS)) { 20434 break; 20435 } 20436 } catch (InterruptedException ignored) { 20437 } 20438 20439 final long deltaFreeBytes = startFreeBytes - measurePath.getFreeSpace(); 20440 final int progress = 10 + (int) MathUtils.constrain( 20441 ((deltaFreeBytes * 80) / sizeBytes), 0, 80); 20442 mMoveCallbacks.notifyStatusChanged(moveId, progress); 20443 } 20444 } 20445 }.start(); 20446 20447 final String dataAppName = codeFile.getName(); 20448 move = new MoveInfo(moveId, currentVolumeUuid, volumeUuid, packageName, 20449 dataAppName, appId, seinfo, targetSdkVersion); 20450 } else { 20451 move = null; 20452 } 20453 20454 installFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 20455 20456 final Message msg = mHandler.obtainMessage(INIT_COPY); 20457 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 20458 final InstallParams params = new InstallParams(origin, move, installObserver, installFlags, 20459 installerPackageName, volumeUuid, null /*verificationInfo*/, user, 20460 packageAbiOverride, null /*grantedPermissions*/, null /*certificates*/); 20461 params.setTraceMethod("movePackage").setTraceCookie(System.identityHashCode(params)); 20462 msg.obj = params; 20463 20464 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "movePackage", 20465 System.identityHashCode(msg.obj)); 20466 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 20467 System.identityHashCode(msg.obj)); 20468 20469 mHandler.sendMessage(msg); 20470 } 20471 20472 @Override 20473 public int movePrimaryStorage(String volumeUuid) throws RemoteException { 20474 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 20475 20476 final int realMoveId = mNextMoveId.getAndIncrement(); 20477 final Bundle extras = new Bundle(); 20478 extras.putString(VolumeRecord.EXTRA_FS_UUID, volumeUuid); 20479 mMoveCallbacks.notifyCreated(realMoveId, extras); 20480 20481 final IPackageMoveObserver callback = new IPackageMoveObserver.Stub() { 20482 @Override 20483 public void onCreated(int moveId, Bundle extras) { 20484 // Ignored 20485 } 20486 20487 @Override 20488 public void onStatusChanged(int moveId, int status, long estMillis) { 20489 mMoveCallbacks.notifyStatusChanged(realMoveId, status, estMillis); 20490 } 20491 }; 20492 20493 final StorageManager storage = mContext.getSystemService(StorageManager.class); 20494 storage.setPrimaryStorageUuid(volumeUuid, callback); 20495 return realMoveId; 20496 } 20497 20498 @Override 20499 public int getMoveStatus(int moveId) { 20500 mContext.enforceCallingOrSelfPermission( 20501 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 20502 return mMoveCallbacks.mLastStatus.get(moveId); 20503 } 20504 20505 @Override 20506 public void registerMoveCallback(IPackageMoveObserver callback) { 20507 mContext.enforceCallingOrSelfPermission( 20508 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 20509 mMoveCallbacks.register(callback); 20510 } 20511 20512 @Override 20513 public void unregisterMoveCallback(IPackageMoveObserver callback) { 20514 mContext.enforceCallingOrSelfPermission( 20515 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 20516 mMoveCallbacks.unregister(callback); 20517 } 20518 20519 @Override 20520 public boolean setInstallLocation(int loc) { 20521 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 20522 null); 20523 if (getInstallLocation() == loc) { 20524 return true; 20525 } 20526 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 20527 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 20528 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 20529 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 20530 return true; 20531 } 20532 return false; 20533 } 20534 20535 @Override 20536 public int getInstallLocation() { 20537 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 20538 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 20539 PackageHelper.APP_INSTALL_AUTO); 20540 } 20541 20542 /** Called by UserManagerService */ 20543 void cleanUpUser(UserManagerService userManager, int userHandle) { 20544 synchronized (mPackages) { 20545 mDirtyUsers.remove(userHandle); 20546 mUserNeedsBadging.delete(userHandle); 20547 mSettings.removeUserLPw(userHandle); 20548 mPendingBroadcasts.remove(userHandle); 20549 mEphemeralApplicationRegistry.onUserRemovedLPw(userHandle); 20550 removeUnusedPackagesLPw(userManager, userHandle); 20551 } 20552 } 20553 20554 /** 20555 * We're removing userHandle and would like to remove any downloaded packages 20556 * that are no longer in use by any other user. 20557 * @param userHandle the user being removed 20558 */ 20559 private void removeUnusedPackagesLPw(UserManagerService userManager, final int userHandle) { 20560 final boolean DEBUG_CLEAN_APKS = false; 20561 int [] users = userManager.getUserIds(); 20562 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 20563 while (psit.hasNext()) { 20564 PackageSetting ps = psit.next(); 20565 if (ps.pkg == null) { 20566 continue; 20567 } 20568 final String packageName = ps.pkg.packageName; 20569 // Skip over if system app 20570 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 20571 continue; 20572 } 20573 if (DEBUG_CLEAN_APKS) { 20574 Slog.i(TAG, "Checking package " + packageName); 20575 } 20576 boolean keep = shouldKeepUninstalledPackageLPr(packageName); 20577 if (keep) { 20578 if (DEBUG_CLEAN_APKS) { 20579 Slog.i(TAG, " Keeping package " + packageName + " - requested by DO"); 20580 } 20581 } else { 20582 for (int i = 0; i < users.length; i++) { 20583 if (users[i] != userHandle && ps.getInstalled(users[i])) { 20584 keep = true; 20585 if (DEBUG_CLEAN_APKS) { 20586 Slog.i(TAG, " Keeping package " + packageName + " for user " 20587 + users[i]); 20588 } 20589 break; 20590 } 20591 } 20592 } 20593 if (!keep) { 20594 if (DEBUG_CLEAN_APKS) { 20595 Slog.i(TAG, " Removing package " + packageName); 20596 } 20597 mHandler.post(new Runnable() { 20598 public void run() { 20599 deletePackageX(packageName, userHandle, 0); 20600 } //end run 20601 }); 20602 } 20603 } 20604 } 20605 20606 /** Called by UserManagerService */ 20607 void createNewUser(int userId) { 20608 synchronized (mInstallLock) { 20609 mSettings.createNewUserLI(this, mInstaller, userId); 20610 } 20611 synchronized (mPackages) { 20612 scheduleWritePackageRestrictionsLocked(userId); 20613 scheduleWritePackageListLocked(userId); 20614 applyFactoryDefaultBrowserLPw(userId); 20615 primeDomainVerificationsLPw(userId); 20616 } 20617 } 20618 20619 void onNewUserCreated(final int userId) { 20620 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 20621 // If permission review for legacy apps is required, we represent 20622 // dagerous permissions for such apps as always granted runtime 20623 // permissions to keep per user flag state whether review is needed. 20624 // Hence, if a new user is added we have to propagate dangerous 20625 // permission grants for these legacy apps. 20626 if (mPermissionReviewRequired || Build.PERMISSIONS_REVIEW_REQUIRED) { 20627 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 20628 | UPDATE_PERMISSIONS_REPLACE_ALL); 20629 } 20630 } 20631 20632 @Override 20633 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 20634 mContext.enforceCallingOrSelfPermission( 20635 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 20636 "Only package verification agents can read the verifier device identity"); 20637 20638 synchronized (mPackages) { 20639 return mSettings.getVerifierDeviceIdentityLPw(); 20640 } 20641 } 20642 20643 @Override 20644 public void setPermissionEnforced(String permission, boolean enforced) { 20645 // TODO: Now that we no longer change GID for storage, this should to away. 20646 mContext.enforceCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 20647 "setPermissionEnforced"); 20648 if (READ_EXTERNAL_STORAGE.equals(permission)) { 20649 synchronized (mPackages) { 20650 if (mSettings.mReadExternalStorageEnforced == null 20651 || mSettings.mReadExternalStorageEnforced != enforced) { 20652 mSettings.mReadExternalStorageEnforced = enforced; 20653 mSettings.writeLPr(); 20654 } 20655 } 20656 // kill any non-foreground processes so we restart them and 20657 // grant/revoke the GID. 20658 final IActivityManager am = ActivityManagerNative.getDefault(); 20659 if (am != null) { 20660 final long token = Binder.clearCallingIdentity(); 20661 try { 20662 am.killProcessesBelowForeground("setPermissionEnforcement"); 20663 } catch (RemoteException e) { 20664 } finally { 20665 Binder.restoreCallingIdentity(token); 20666 } 20667 } 20668 } else { 20669 throw new IllegalArgumentException("No selective enforcement for " + permission); 20670 } 20671 } 20672 20673 @Override 20674 @Deprecated 20675 public boolean isPermissionEnforced(String permission) { 20676 return true; 20677 } 20678 20679 @Override 20680 public boolean isStorageLow() { 20681 final long token = Binder.clearCallingIdentity(); 20682 try { 20683 final DeviceStorageMonitorInternal 20684 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 20685 if (dsm != null) { 20686 return dsm.isMemoryLow(); 20687 } else { 20688 return false; 20689 } 20690 } finally { 20691 Binder.restoreCallingIdentity(token); 20692 } 20693 } 20694 20695 @Override 20696 public IPackageInstaller getPackageInstaller() { 20697 return mInstallerService; 20698 } 20699 20700 private boolean userNeedsBadging(int userId) { 20701 int index = mUserNeedsBadging.indexOfKey(userId); 20702 if (index < 0) { 20703 final UserInfo userInfo; 20704 final long token = Binder.clearCallingIdentity(); 20705 try { 20706 userInfo = sUserManager.getUserInfo(userId); 20707 } finally { 20708 Binder.restoreCallingIdentity(token); 20709 } 20710 final boolean b; 20711 if (userInfo != null && userInfo.isManagedProfile()) { 20712 b = true; 20713 } else { 20714 b = false; 20715 } 20716 mUserNeedsBadging.put(userId, b); 20717 return b; 20718 } 20719 return mUserNeedsBadging.valueAt(index); 20720 } 20721 20722 @Override 20723 public KeySet getKeySetByAlias(String packageName, String alias) { 20724 if (packageName == null || alias == null) { 20725 return null; 20726 } 20727 synchronized(mPackages) { 20728 final PackageParser.Package pkg = mPackages.get(packageName); 20729 if (pkg == null) { 20730 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20731 throw new IllegalArgumentException("Unknown package: " + packageName); 20732 } 20733 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20734 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 20735 } 20736 } 20737 20738 @Override 20739 public KeySet getSigningKeySet(String packageName) { 20740 if (packageName == null) { 20741 return null; 20742 } 20743 synchronized(mPackages) { 20744 final PackageParser.Package pkg = mPackages.get(packageName); 20745 if (pkg == null) { 20746 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20747 throw new IllegalArgumentException("Unknown package: " + packageName); 20748 } 20749 if (pkg.applicationInfo.uid != Binder.getCallingUid() 20750 && Process.SYSTEM_UID != Binder.getCallingUid()) { 20751 throw new SecurityException("May not access signing KeySet of other apps."); 20752 } 20753 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20754 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 20755 } 20756 } 20757 20758 @Override 20759 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 20760 if (packageName == null || ks == null) { 20761 return false; 20762 } 20763 synchronized(mPackages) { 20764 final PackageParser.Package pkg = mPackages.get(packageName); 20765 if (pkg == null) { 20766 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20767 throw new IllegalArgumentException("Unknown package: " + packageName); 20768 } 20769 IBinder ksh = ks.getToken(); 20770 if (ksh instanceof KeySetHandle) { 20771 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20772 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 20773 } 20774 return false; 20775 } 20776 } 20777 20778 @Override 20779 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 20780 if (packageName == null || ks == null) { 20781 return false; 20782 } 20783 synchronized(mPackages) { 20784 final PackageParser.Package pkg = mPackages.get(packageName); 20785 if (pkg == null) { 20786 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20787 throw new IllegalArgumentException("Unknown package: " + packageName); 20788 } 20789 IBinder ksh = ks.getToken(); 20790 if (ksh instanceof KeySetHandle) { 20791 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20792 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 20793 } 20794 return false; 20795 } 20796 } 20797 20798 private void deletePackageIfUnusedLPr(final String packageName) { 20799 PackageSetting ps = mSettings.mPackages.get(packageName); 20800 if (ps == null) { 20801 return; 20802 } 20803 if (!ps.isAnyInstalled(sUserManager.getUserIds())) { 20804 // TODO Implement atomic delete if package is unused 20805 // It is currently possible that the package will be deleted even if it is installed 20806 // after this method returns. 20807 mHandler.post(new Runnable() { 20808 public void run() { 20809 deletePackageX(packageName, 0, PackageManager.DELETE_ALL_USERS); 20810 } 20811 }); 20812 } 20813 } 20814 20815 /** 20816 * Check and throw if the given before/after packages would be considered a 20817 * downgrade. 20818 */ 20819 private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after) 20820 throws PackageManagerException { 20821 if (after.versionCode < before.mVersionCode) { 20822 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20823 "Update version code " + after.versionCode + " is older than current " 20824 + before.mVersionCode); 20825 } else if (after.versionCode == before.mVersionCode) { 20826 if (after.baseRevisionCode < before.baseRevisionCode) { 20827 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20828 "Update base revision code " + after.baseRevisionCode 20829 + " is older than current " + before.baseRevisionCode); 20830 } 20831 20832 if (!ArrayUtils.isEmpty(after.splitNames)) { 20833 for (int i = 0; i < after.splitNames.length; i++) { 20834 final String splitName = after.splitNames[i]; 20835 final int j = ArrayUtils.indexOf(before.splitNames, splitName); 20836 if (j != -1) { 20837 if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) { 20838 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20839 "Update split " + splitName + " revision code " 20840 + after.splitRevisionCodes[i] + " is older than current " 20841 + before.splitRevisionCodes[j]); 20842 } 20843 } 20844 } 20845 } 20846 } 20847 } 20848 20849 private static class MoveCallbacks extends Handler { 20850 private static final int MSG_CREATED = 1; 20851 private static final int MSG_STATUS_CHANGED = 2; 20852 20853 private final RemoteCallbackList<IPackageMoveObserver> 20854 mCallbacks = new RemoteCallbackList<>(); 20855 20856 private final SparseIntArray mLastStatus = new SparseIntArray(); 20857 20858 public MoveCallbacks(Looper looper) { 20859 super(looper); 20860 } 20861 20862 public void register(IPackageMoveObserver callback) { 20863 mCallbacks.register(callback); 20864 } 20865 20866 public void unregister(IPackageMoveObserver callback) { 20867 mCallbacks.unregister(callback); 20868 } 20869 20870 @Override 20871 public void handleMessage(Message msg) { 20872 final SomeArgs args = (SomeArgs) msg.obj; 20873 final int n = mCallbacks.beginBroadcast(); 20874 for (int i = 0; i < n; i++) { 20875 final IPackageMoveObserver callback = mCallbacks.getBroadcastItem(i); 20876 try { 20877 invokeCallback(callback, msg.what, args); 20878 } catch (RemoteException ignored) { 20879 } 20880 } 20881 mCallbacks.finishBroadcast(); 20882 args.recycle(); 20883 } 20884 20885 private void invokeCallback(IPackageMoveObserver callback, int what, SomeArgs args) 20886 throws RemoteException { 20887 switch (what) { 20888 case MSG_CREATED: { 20889 callback.onCreated(args.argi1, (Bundle) args.arg2); 20890 break; 20891 } 20892 case MSG_STATUS_CHANGED: { 20893 callback.onStatusChanged(args.argi1, args.argi2, (long) args.arg3); 20894 break; 20895 } 20896 } 20897 } 20898 20899 private void notifyCreated(int moveId, Bundle extras) { 20900 Slog.v(TAG, "Move " + moveId + " created " + extras.toString()); 20901 20902 final SomeArgs args = SomeArgs.obtain(); 20903 args.argi1 = moveId; 20904 args.arg2 = extras; 20905 obtainMessage(MSG_CREATED, args).sendToTarget(); 20906 } 20907 20908 private void notifyStatusChanged(int moveId, int status) { 20909 notifyStatusChanged(moveId, status, -1); 20910 } 20911 20912 private void notifyStatusChanged(int moveId, int status, long estMillis) { 20913 Slog.v(TAG, "Move " + moveId + " status " + status); 20914 20915 final SomeArgs args = SomeArgs.obtain(); 20916 args.argi1 = moveId; 20917 args.argi2 = status; 20918 args.arg3 = estMillis; 20919 obtainMessage(MSG_STATUS_CHANGED, args).sendToTarget(); 20920 20921 synchronized (mLastStatus) { 20922 mLastStatus.put(moveId, status); 20923 } 20924 } 20925 } 20926 20927 private final static class OnPermissionChangeListeners extends Handler { 20928 private static final int MSG_ON_PERMISSIONS_CHANGED = 1; 20929 20930 private final RemoteCallbackList<IOnPermissionsChangeListener> mPermissionListeners = 20931 new RemoteCallbackList<>(); 20932 20933 public OnPermissionChangeListeners(Looper looper) { 20934 super(looper); 20935 } 20936 20937 @Override 20938 public void handleMessage(Message msg) { 20939 switch (msg.what) { 20940 case MSG_ON_PERMISSIONS_CHANGED: { 20941 final int uid = msg.arg1; 20942 handleOnPermissionsChanged(uid); 20943 } break; 20944 } 20945 } 20946 20947 public void addListenerLocked(IOnPermissionsChangeListener listener) { 20948 mPermissionListeners.register(listener); 20949 20950 } 20951 20952 public void removeListenerLocked(IOnPermissionsChangeListener listener) { 20953 mPermissionListeners.unregister(listener); 20954 } 20955 20956 public void onPermissionsChanged(int uid) { 20957 if (mPermissionListeners.getRegisteredCallbackCount() > 0) { 20958 obtainMessage(MSG_ON_PERMISSIONS_CHANGED, uid, 0).sendToTarget(); 20959 } 20960 } 20961 20962 private void handleOnPermissionsChanged(int uid) { 20963 final int count = mPermissionListeners.beginBroadcast(); 20964 try { 20965 for (int i = 0; i < count; i++) { 20966 IOnPermissionsChangeListener callback = mPermissionListeners 20967 .getBroadcastItem(i); 20968 try { 20969 callback.onPermissionsChanged(uid); 20970 } catch (RemoteException e) { 20971 Log.e(TAG, "Permission listener is dead", e); 20972 } 20973 } 20974 } finally { 20975 mPermissionListeners.finishBroadcast(); 20976 } 20977 } 20978 } 20979 20980 private class PackageManagerInternalImpl extends PackageManagerInternal { 20981 @Override 20982 public void setLocationPackagesProvider(PackagesProvider provider) { 20983 synchronized (mPackages) { 20984 mDefaultPermissionPolicy.setLocationPackagesProviderLPw(provider); 20985 } 20986 } 20987 20988 @Override 20989 public void setVoiceInteractionPackagesProvider(PackagesProvider provider) { 20990 synchronized (mPackages) { 20991 mDefaultPermissionPolicy.setVoiceInteractionPackagesProviderLPw(provider); 20992 } 20993 } 20994 20995 @Override 20996 public void setSmsAppPackagesProvider(PackagesProvider provider) { 20997 synchronized (mPackages) { 20998 mDefaultPermissionPolicy.setSmsAppPackagesProviderLPw(provider); 20999 } 21000 } 21001 21002 @Override 21003 public void setDialerAppPackagesProvider(PackagesProvider provider) { 21004 synchronized (mPackages) { 21005 mDefaultPermissionPolicy.setDialerAppPackagesProviderLPw(provider); 21006 } 21007 } 21008 21009 @Override 21010 public void setSimCallManagerPackagesProvider(PackagesProvider provider) { 21011 synchronized (mPackages) { 21012 mDefaultPermissionPolicy.setSimCallManagerPackagesProviderLPw(provider); 21013 } 21014 } 21015 21016 @Override 21017 public void setSyncAdapterPackagesprovider(SyncAdapterPackagesProvider provider) { 21018 synchronized (mPackages) { 21019 mDefaultPermissionPolicy.setSyncAdapterPackagesProviderLPw(provider); 21020 } 21021 } 21022 21023 @Override 21024 public void grantDefaultPermissionsToDefaultSmsApp(String packageName, int userId) { 21025 synchronized (mPackages) { 21026 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSmsAppLPr( 21027 packageName, userId); 21028 } 21029 } 21030 21031 @Override 21032 public void grantDefaultPermissionsToDefaultDialerApp(String packageName, int userId) { 21033 synchronized (mPackages) { 21034 mSettings.setDefaultDialerPackageNameLPw(packageName, userId); 21035 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultDialerAppLPr( 21036 packageName, userId); 21037 } 21038 } 21039 21040 @Override 21041 public void grantDefaultPermissionsToDefaultSimCallManager(String packageName, int userId) { 21042 synchronized (mPackages) { 21043 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSimCallManagerLPr( 21044 packageName, userId); 21045 } 21046 } 21047 21048 @Override 21049 public void setKeepUninstalledPackages(final List<String> packageList) { 21050 Preconditions.checkNotNull(packageList); 21051 List<String> removedFromList = null; 21052 synchronized (mPackages) { 21053 if (mKeepUninstalledPackages != null) { 21054 final int packagesCount = mKeepUninstalledPackages.size(); 21055 for (int i = 0; i < packagesCount; i++) { 21056 String oldPackage = mKeepUninstalledPackages.get(i); 21057 if (packageList != null && packageList.contains(oldPackage)) { 21058 continue; 21059 } 21060 if (removedFromList == null) { 21061 removedFromList = new ArrayList<>(); 21062 } 21063 removedFromList.add(oldPackage); 21064 } 21065 } 21066 mKeepUninstalledPackages = new ArrayList<>(packageList); 21067 if (removedFromList != null) { 21068 final int removedCount = removedFromList.size(); 21069 for (int i = 0; i < removedCount; i++) { 21070 deletePackageIfUnusedLPr(removedFromList.get(i)); 21071 } 21072 } 21073 } 21074 } 21075 21076 @Override 21077 public boolean isPermissionsReviewRequired(String packageName, int userId) { 21078 synchronized (mPackages) { 21079 // If we do not support permission review, done. 21080 if (!mPermissionReviewRequired && !Build.PERMISSIONS_REVIEW_REQUIRED) { 21081 return false; 21082 } 21083 21084 PackageSetting packageSetting = mSettings.mPackages.get(packageName); 21085 if (packageSetting == null) { 21086 return false; 21087 } 21088 21089 // Permission review applies only to apps not supporting the new permission model. 21090 if (packageSetting.pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.M) { 21091 return false; 21092 } 21093 21094 // Legacy apps have the permission and get user consent on launch. 21095 PermissionsState permissionsState = packageSetting.getPermissionsState(); 21096 return permissionsState.isPermissionReviewRequired(userId); 21097 } 21098 } 21099 21100 @Override 21101 public ApplicationInfo getApplicationInfo(String packageName, int userId) { 21102 return PackageManagerService.this.getApplicationInfo(packageName, 0 /*flags*/, userId); 21103 } 21104 21105 @Override 21106 public ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 21107 int userId) { 21108 return PackageManagerService.this.getHomeActivitiesAsUser(allHomeCandidates, userId); 21109 } 21110 21111 @Override 21112 public void setDeviceAndProfileOwnerPackages( 21113 int deviceOwnerUserId, String deviceOwnerPackage, 21114 SparseArray<String> profileOwnerPackages) { 21115 mProtectedPackages.setDeviceAndProfileOwnerPackages( 21116 deviceOwnerUserId, deviceOwnerPackage, profileOwnerPackages); 21117 } 21118 21119 @Override 21120 public boolean isPackageDataProtected(int userId, String packageName) { 21121 return mProtectedPackages.isPackageDataProtected(userId, packageName); 21122 } 21123 21124 @Override 21125 public boolean wasPackageEverLaunched(String packageName, int userId) { 21126 synchronized (mPackages) { 21127 return mSettings.wasPackageEverLaunchedLPr(packageName, userId); 21128 } 21129 } 21130 } 21131 21132 @Override 21133 public void grantDefaultPermissionsToEnabledCarrierApps(String[] packageNames, int userId) { 21134 enforceSystemOrPhoneCaller("grantPermissionsToEnabledCarrierApps"); 21135 synchronized (mPackages) { 21136 final long identity = Binder.clearCallingIdentity(); 21137 try { 21138 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledCarrierAppsLPr( 21139 packageNames, userId); 21140 } finally { 21141 Binder.restoreCallingIdentity(identity); 21142 } 21143 } 21144 } 21145 21146 @Override 21147 public void grantDefaultPermissionsToEnabledImsServices(String[] packageNames, int userId) { 21148 enforceSystemOrPhoneCaller("grantDefaultPermissionsToEnabledImsServices"); 21149 synchronized (mPackages) { 21150 final long identity = Binder.clearCallingIdentity(); 21151 try { 21152 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledImsServicesLPr( 21153 packageNames, userId); 21154 } finally { 21155 Binder.restoreCallingIdentity(identity); 21156 } 21157 } 21158 } 21159 21160 private static void enforceSystemOrPhoneCaller(String tag) { 21161 int callingUid = Binder.getCallingUid(); 21162 if (callingUid != Process.PHONE_UID && callingUid != Process.SYSTEM_UID) { 21163 throw new SecurityException( 21164 "Cannot call " + tag + " from UID " + callingUid); 21165 } 21166 } 21167 21168 boolean isHistoricalPackageUsageAvailable() { 21169 return mPackageUsage.isHistoricalPackageUsageAvailable(); 21170 } 21171 21172 /** 21173 * Return a <b>copy</b> of the collection of packages known to the package manager. 21174 * @return A copy of the values of mPackages. 21175 */ 21176 Collection<PackageParser.Package> getPackages() { 21177 synchronized (mPackages) { 21178 return new ArrayList<>(mPackages.values()); 21179 } 21180 } 21181 21182 /** 21183 * Logs process start information (including base APK hash) to the security log. 21184 * @hide 21185 */ 21186 public void logAppProcessStartIfNeeded(String processName, int uid, String seinfo, 21187 String apkFile, int pid) { 21188 if (!SecurityLog.isLoggingEnabled()) { 21189 return; 21190 } 21191 Bundle data = new Bundle(); 21192 data.putLong("startTimestamp", System.currentTimeMillis()); 21193 data.putString("processName", processName); 21194 data.putInt("uid", uid); 21195 data.putString("seinfo", seinfo); 21196 data.putString("apkFile", apkFile); 21197 data.putInt("pid", pid); 21198 Message msg = mProcessLoggingHandler.obtainMessage( 21199 ProcessLoggingHandler.LOG_APP_PROCESS_START_MSG); 21200 msg.setData(data); 21201 mProcessLoggingHandler.sendMessage(msg); 21202 } 21203 21204 public CompilerStats.PackageStats getCompilerPackageStats(String pkgName) { 21205 return mCompilerStats.getPackageStats(pkgName); 21206 } 21207 21208 public CompilerStats.PackageStats getOrCreateCompilerPackageStats(PackageParser.Package pkg) { 21209 return getOrCreateCompilerPackageStats(pkg.packageName); 21210 } 21211 21212 public CompilerStats.PackageStats getOrCreateCompilerPackageStats(String pkgName) { 21213 return mCompilerStats.getOrCreatePackageStats(pkgName); 21214 } 21215 21216 public void deleteCompilerPackageStats(String pkgName) { 21217 mCompilerStats.deletePackageStats(pkgName); 21218 } 21219} 21220